74031880 has 32 divisors (see below), whose sum is σ = 179386200. Its totient is φ = 27334656.

The previous prime is 74031877. The next prime is 74031887. The reversal of 74031880 is 8813047.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52446564 + 21585316 = 7242^2 + 4646^2 .

It is not an unprimeable number, because it can be changed into a prime (74031887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70665 + ... + 71704.

Almost surely, 2^74031880 is an apocalyptic number.

It is an amenable number.

74031880 is an abundant number, since it is smaller than the sum of its proper divisors (105354320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74031880 is a wasteful number, since it uses less digits than its factorization.

74031880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142393 (or 142389 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 74031880 is about 8604.1780548754. The cubic root of 74031880 is about 419.8939263495.

The spelling of 74031880 in words is "seventy-four million, thirty-one thousand, eight hundred eighty".