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74040067 = 83892049
BaseRepresentation
bin1000110100111…
…00001100000011
312011022121212201
410122130030003
5122423240232
611202534031
71556221153
oct432341403
9164277781
1074040067
1138880442
1220967317
13124546ba
149b94763
156777be7
hex469c303

74040067 has 4 divisors (see below), whose sum is σ = 74932200. Its totient is φ = 73147936.

The previous prime is 74040061. The next prime is 74040073. The reversal of 74040067 is 76004047.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (74040061) and next prime (74040073).

It is a cyclic number.

It is not a de Polignac number, because 74040067 - 27 = 74039939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74040061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445942 + ... + 446107.

It is an arithmetic number, because the mean of its divisors is an integer number (18733050).

Almost surely, 274040067 is an apocalyptic number.

74040067 is a deficient number, since it is larger than the sum of its proper divisors (892133).

74040067 is an equidigital number, since it uses as much as digits as its factorization.

74040067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892132.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74040067 is about 8604.6537989625. The cubic root of 74040067 is about 419.9094041178.

The spelling of 74040067 in words is "seventy-four million, forty thousand, sixty-seven".

Divisors: 1 83 892049 74040067