74968131 has 16 divisors (see below), whose sum is σ = 117024768. Its totient is φ = 41793600.

The previous prime is 74968123. The next prime is 74968133. The reversal of 74968131 is 13186947.

It is not a de Polignac number, because 74968131 - 2³ = 74968123 is a prime.

It is a super-2 number, since 2×74968131² = 11240441331266322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74968131.

It is not an unprimeable number, because it can be changed into a prime (74968133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42675 + ... + 44396.

It is an arithmetic number, because the mean of its divisors is an integer number (7314048).

Almost surely, 2^74968131 is an apocalyptic number.

74968131 is a deficient number, since it is larger than the sum of its proper divisors (42056637).

74968131 is a wasteful number, since it uses less digits than its factorization.

74968131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87122.

The product of its digits is 36288, while the sum is 39.

The square root of 74968131 is about 8658.4138847713. The cubic root of 74968131 is about 421.6565922871.

The spelling of 74968131 in words is "seventy-four million, nine hundred sixty-eight thousand, one hundred thirty-one".