74912331 has 16 divisors (see below), whose sum is σ = 109333280. Its totient is φ = 45342720.

The previous prime is 74912329. The next prime is 74912377. The reversal of 74912331 is 13321947.

It is not a de Polignac number, because 74912331 - 2¹ = 74912329 is a prime.

It is a super-2 number, since 2×74912331² = 11223714671707122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74912731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13366 + ... + 18123.

It is an arithmetic number, because the mean of its divisors is an integer number (6833330).

Almost surely, 2^74912331 is an apocalyptic number.

74912331 is a deficient number, since it is larger than the sum of its proper divisors (34420949).

74912331 is a wasteful number, since it uses less digits than its factorization.

74912331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31566.

The product of its digits is 4536, while the sum is 30.

The square root of 74912331 is about 8655.1909857611. The cubic root of 74912331 is about 421.5519510327.

The spelling of 74912331 in words is "seventy-four million, nine hundred twelve thousand, three hundred thirty-one".