79634402 has 8 divisors (see below), whose sum is σ = 121410012. Its totient is φ = 39164400.

The previous prime is 79634393. The next prime is 79634407. The reversal of 79634402 is 20443697.

It can be written as a sum of positive squares in 2 ways, for example, as 61324561 + 18309841 = 7831^2 + 4279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79634407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326249 + ... + 326492.

Almost surely, 2^79634402 is an apocalyptic number.

79634402 is a deficient number, since it is larger than the sum of its proper divisors (41775610).

79634402 is a wasteful number, since it uses less digits than its factorization.

79634402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652804.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 79634402 is about 8923.8109572088. The cubic root of 79634402 is about 430.2295547339.

The spelling of 79634402 in words is "seventy-nine million, six hundred thirty-four thousand, four hundred two".