74638196 has 12 divisors (see below), whose sum is σ = 133654752. Its totient is φ = 36451128.

The previous prime is 74638181. The next prime is 74638219. The reversal of 74638196 is 69183647.

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, 216800 + ... + 217143.

It is an arithmetic number, because the mean of its divisors is an integer number (11137896).

Almost surely, 2^74638196 is an apocalyptic number.

It is an amenable number.

74638196 is a deficient number, since it is larger than the sum of its proper divisors (59016556).

74638196 is a wasteful number, since it uses less digits than its factorization.

74638196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433990 (or 433988 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 74638196 is about 8639.3400210896. The cubic root of 74638196 is about 421.0371119181.

The spelling of 74638196 in words is "seventy-four million, six hundred thirty-eight thousand, one hundred ninety-six".