74968623 has 72 divisors (see below), whose sum is σ = 127392720. Its totient is φ = 42301440.

The previous prime is 74968613. The next prime is 74968643. The reversal of 74968623 is 32686947.

It is not a de Polignac number, because 74968623 - 2⁸ = 74968367 is a prime.

It is a super-2 number, since 2×74968623² = 11240588869032258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74968603) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1828483 + ... + 1828523.

Almost surely, 2^74968623 is an apocalyptic number.

74968623 is a deficient number, since it is larger than the sum of its proper divisors (52424097).

74968623 is a wasteful number, since it uses less digits than its factorization.

74968623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 117 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 74968623 is about 8658.4422963949. The cubic root of 74968623 is about 421.6575146994.

The spelling of 74968623 in words is "seventy-four million, nine hundred sixty-eight thousand, six hundred twenty-three".