74878344 has 40 divisors (see below), whose sum is σ = 209730510. Its totient is φ = 24959232.

The previous prime is 74878339. The next prime is 74878369. The reversal of 74878344 is 44387847.

It can be written as a sum of positive squares in only one way, i.e., 53144100 + 21734244 = 7290^2 + 4662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74878344.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57129 + ... + 58424.

Almost surely, 2^74878344 is an apocalyptic number.

It is an amenable number.

74878344 is an abundant number, since it is smaller than the sum of its proper divisors (134852166).

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

74878344 is a wasteful number, since it uses less digits than its factorization.

74878344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115571 (or 115558 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 74878344 is about 8653.2273748007. The cubic root of 74878344 is about 421.4881900416.

The spelling of 74878344 in words is "seventy-four million, eight hundred seventy-eight thousand, three hundred forty-four".