79902194 has 8 divisors (see below), whose sum is σ = 122776668. Its totient is φ = 38976640.

The previous prime is 79902181. The next prime is 79902233. The reversal of 79902194 is 49120997.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51652969 + 28249225 = 7187^2 + 5315^2 .

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

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

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, 487127 + ... + 487290.

Almost surely, 2^79902194 is an apocalyptic number.

79902194 is a deficient number, since it is larger than the sum of its proper divisors (42874474).

79902194 is a wasteful number, since it uses less digits than its factorization.

79902194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974460.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 79902194 is about 8938.8027162479. The cubic root of 79902194 is about 430.7112691981.

The spelling of 79902194 in words is "seventy-nine million, nine hundred two thousand, one hundred ninety-four".