79996670 has 32 divisors (see below), whose sum is σ = 155488032. Its totient is φ = 29457792.

The previous prime is 79996649. The next prime is 79996673. The reversal of 79996670 is 7669997.

It is a super-2 number, since 2×79996670² = 12798934422177800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79996673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72644 + ... + 73736.

It is an arithmetic number, because the mean of its divisors is an integer number (4859001).

Almost surely, 2^79996670 is an apocalyptic number.

79996670 is a deficient number, since it is larger than the sum of its proper divisors (75491362).

79996670 is a wasteful number, since it uses less digits than its factorization.

79996670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 79996670 is about 8944.0857554028. The cubic root of 79996670 is about 430.8809593672.

The spelling of 79996670 in words is "seventy-nine million, nine hundred ninety-six thousand, six hundred seventy".