79490170 has 8 divisors (see below), whose sum is σ = 143082324. Its totient is φ = 31796064.

The previous prime is 79490149. The next prime is 79490209. The reversal of 79490170 is 7109497.

It can be written as a sum of positive squares in 2 ways, for example, as 71554681 + 7935489 = 8459^2 + 2817^2 .

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

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, 3974499 + ... + 3974518.

Almost surely, 2^79490170 is an apocalyptic number.

79490170 is a deficient number, since it is larger than the sum of its proper divisors (63592154).

79490170 is a wasteful number, since it uses less digits than its factorization.

79490170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949024.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 79490170 is about 8915.7259939951. The cubic root of 79490170 is about 429.9696571342.

The spelling of 79490170 in words is "seventy-nine million, four hundred ninety thousand, one hundred seventy".