79620694 has 4 divisors (see below), whose sum is σ = 119431044. Its totient is φ = 39810346.

The previous prime is 79620691. The next prime is 79620713. The reversal of 79620694 is 49602697.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 79620694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79620691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19905172 + ... + 19905175.

It is an arithmetic number, because the mean of its divisors is an integer number (29857761).

Almost surely, 2^79620694 is an apocalyptic number.

79620694 is a deficient number, since it is larger than the sum of its proper divisors (39810350).

79620694 is a wasteful number, since it uses less digits than its factorization.

79620694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39810349.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 79620694 is about 8923.0428666459. The cubic root of 79620694 is about 430.2048672244.

The spelling of 79620694 in words is "seventy-nine million, six hundred twenty thousand, six hundred ninety-four".