79197404 has 72 divisors (see below), whose sum is σ = 168607824. Its totient is φ = 32313600.

The previous prime is 79197389. The next prime is 79197409. The reversal of 79197404 is 40479197.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79197409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257819 + ... + 258125.

Almost surely, 2^79197404 is an apocalyptic number.

It is an amenable number.

79197404 is an abundant number, since it is smaller than the sum of its proper divisors (89410420).

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

79197404 is a wasteful number, since it uses less digits than its factorization.

79197404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 79197404 is about 8899.2923314160. The cubic root of 79197404 is about 429.4411416592.

The spelling of 79197404 in words is "seventy-nine million, one hundred ninety-seven thousand, four hundred four".