74940307 has 8 divisors (see below), whose sum is σ = 80783136. Its totient is φ = 69108672.

The previous prime is 74940289. The next prime is 74940311. The reversal of 74940307 is 70304947.

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 2^k-74940307 is a prime.

It is a super-2 number, since 2×74940307² = 11232099226508498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74940337) 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, 15663 + ... + 19879.

It is an arithmetic number, because the mean of its divisors is an integer number (10097892).

Almost surely, 2^74940307 is an apocalyptic number.

74940307 is a deficient number, since it is larger than the sum of its proper divisors (5842829).

74940307 is a wasteful number, since it uses less digits than its factorization.

74940307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597.

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

The square root of 74940307 is about 8656.8069748609. The cubic root of 74940307 is about 421.6044206749.

The spelling of 74940307 in words is "seventy-four million, nine hundred forty thousand, three hundred seven".