74365731 has 24 divisors (see below), whose sum is σ = 119401776. Its totient is φ = 44216640.

The previous prime is 74365721. The next prime is 74365747. The reversal of 74365731 is 13756347.

It is not a de Polignac number, because 74365731 - 2⁵ = 74365699 is a prime.

It is a super-2 number, since 2×74365731² = 11060523894328722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74365721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1840 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (4975074).

Almost surely, 2^74365731 is an apocalyptic number.

74365731 is a deficient number, since it is larger than the sum of its proper divisors (45036045).

74365731 is a wasteful number, since it uses less digits than its factorization.

74365731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243 (or 14240 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 74365731 is about 8623.5567488131. The cubic root of 74365731 is about 420.5241585051.

The spelling of 74365731 in words is "seventy-four million, three hundred sixty-five thousand, seven hundred thirty-one".