Search a number
-
+
74943007 = 534393221
BaseRepresentation
bin1000111011110…
…00101000011111
312020000111110221
410131320220133
5123141134012
611234142211
71600001506
oct435705037
9166014427
1074943007
1139337877
1221121967
13126ac699
149d4b83d
1568a5507
hex4778a1f

74943007 has 8 divisors (see below), whose sum is σ = 76554720. Its totient is φ = 73338720.

The previous prime is 74942983. The next prime is 74943013. The reversal of 74943007 is 70034947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74943007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74943017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21657 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (9569340).

Almost surely, 274943007 is an apocalyptic number.

74943007 is a deficient number, since it is larger than the sum of its proper divisors (1611713).

74943007 is a wasteful number, since it uses less digits than its factorization.

74943007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74943007 is about 8656.9629201008. The cubic root of 74943007 is about 421.6094838971.

It can be divided in two parts, 7494 and 3007, that added together give a palindrome (10501).

The spelling of 74943007 in words is "seventy-four million, nine hundred forty-three thousand, seven".

Divisors: 1 53 439 3221 23267 170713 1414019 74943007