74278376 has 16 divisors (see below), whose sum is σ = 141180900. Its totient is φ = 36630144.

The previous prime is 74278357. The next prime is 74278447. The reversal of 74278376 is 67387247.

It can be written as a sum of positive squares in 2 ways, for example, as 68392900 + 5885476 = 8270^2 + 2426^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63011 + ... + 64178.

Almost surely, 2^74278376 is an apocalyptic number.

It is an amenable number.

74278376 is a deficient number, since it is larger than the sum of its proper divisors (66902524).

74278376 is a wasteful number, since it uses less digits than its factorization.

74278376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127268 (or 127264 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 74278376 is about 8618.4903550448. The cubic root of 74278376 is about 420.3594353164.

The spelling of 74278376 in words is "seventy-four million, two hundred seventy-eight thousand, three hundred seventy-six".