79681622 has 8 divisors (see below), whose sum is σ = 119734200. Its totient is φ = 39770224.

The previous prime is 79681603. The next prime is 79681639. The reversal of 79681622 is 22618697.

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

It is a self number, because there is not a number n which added to its sum of digits gives 79681622.

It is a congruent number.

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, 33872 + ... + 36147.

It is an arithmetic number, because the mean of its divisors is an integer number (14966775).

Almost surely, 2^79681622 is an apocalyptic number.

79681622 is a deficient number, since it is larger than the sum of its proper divisors (40052578).

79681622 is a wasteful number, since it uses less digits than its factorization.

79681622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70590.

The product of its digits is 72576, while the sum is 41.

The square root of 79681622 is about 8926.4562957537. The cubic root of 79681622 is about 430.3145742103.

The spelling of 79681622 in words is "seventy-nine million, six hundred eighty-one thousand, six hundred twenty-two".