74918331 has 16 divisors (see below), whose sum is σ = 112240800. Its totient is φ = 49382784.

The previous prime is 74918323. The next prime is 74918369. The reversal of 74918331 is 13381947.

It is a happy number.

It is not a de Polignac number, because 74918331 - 2³ = 74918323 is a prime.

It is a super-2 number, since 2×74918331² = 11225512639651122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74918321) 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, 13186 + ... + 17991.

It is an arithmetic number, because the mean of its divisors is an integer number (7015050).

Almost surely, 2^74918331 is an apocalyptic number.

74918331 is a deficient number, since it is larger than the sum of its proper divisors (37322469).

74918331 is a wasteful number, since it uses less digits than its factorization.

74918331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275 (or 31269 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 74918331 is about 8655.5375916231. The cubic root of 74918331 is about 421.5632052733.

The spelling of 74918331 in words is "seventy-four million, nine hundred eighteen thousand, three hundred thirty-one".