74438356 has 12 divisors (see below), whose sum is σ = 130343220. Its totient is φ = 37197440.

The previous prime is 74438323. The next prime is 74438387. The reversal of 74438356 is 65383447.

It can be written as a sum of positive squares in 2 ways, for example, as 16160400 + 58277956 = 4020^2 + 7634^2 .

It is a congruent number.

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, 4146 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (10861935).

Almost surely, 2^74438356 is an apocalyptic number.

It is an amenable number.

74438356 is a deficient number, since it is larger than the sum of its proper divisors (55904864).

74438356 is a wasteful number, since it uses less digits than its factorization.

74438356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874 (or 10872 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 74438356 is about 8627.7665707876. The cubic root of 74438356 is about 420.6610075174.

The spelling of 74438356 in words is "seventy-four million, four hundred thirty-eight thousand, three hundred fifty-six".