74396788 has 18 divisors (see below), whose sum is σ = 133902006. Its totient is φ = 36141984.

The previous prime is 74396771. The next prime is 74396809. The reversal of 74396788 is 88769347.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3196944 + 71199844 = 1788^2 + 8438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104578 + ... + 105286.

Almost surely, 2^74396788 is an apocalyptic number.

It is an amenable number.

74396788 is a deficient number, since it is larger than the sum of its proper divisors (59505218).

74396788 is an equidigital number, since it uses as much as digits as its factorization.

74396788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 748 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 74396788 is about 8625.3572679629. The cubic root of 74396788 is about 420.5826908467.

The spelling of 74396788 in words is "seventy-four million, three hundred ninety-six thousand, seven hundred eighty-eight".