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7074 = 233131
BaseRepresentation
bin1101110100010
3100201000
41232202
5211244
652430
726424
oct15642
910630
107074
115351
124116
1332b2
142814
152169
hex1ba2

7074 has 16 divisors (see below), whose sum is σ = 15840. Its totient is φ = 2340.

The previous prime is 7069. The next prime is 7079. The reversal of 7074 is 4707.

Added to its reverse (4707) it gives a triangular number (11781 = T153).

It is an interprime number because it is at equal distance from previous prime (7069) and next prime (7079).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7079) by changing a digit.

7074 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12 + ... + 119.

It is an arithmetic number, because the mean of its divisors is an integer number (990).

27074 is an apocalyptic number.

7074 is an abundant number, since it is smaller than the sum of its proper divisors (8766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7920).

7074 is a wasteful number, since it uses less digits than its factorization.

7074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 7074 is about 84.1070746133. The cubic root of 7074 is about 19.1964837311.

Subtracting from 7074 its sum of digits (18), we obtain a square (7056 = 842).

7074 divided by its sum of digits (18) gives a palindrome (393).

Adding to 7074 its reverse (4707), we get a triangular number (11781 = T153).

It can be divided in two parts, 70 and 74, that added together give a square (144 = 122).

The spelling of 7074 in words is "seven thousand, seventy-four", and thus it is an iban number.