79264173742 has 32 divisors (see below), whose sum is σ = 138423952800. Its totient is φ = 33721308288.

The previous prime is 79264173739. The next prime is 79264173773. The reversal of 79264173742 is 24737146297.

It is a self number, because there is not a number n which added to its sum of digits gives 79264173742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2150017 + ... + 2186572.

It is an arithmetic number, because the mean of its divisors is an integer number (4325748525).

Almost surely, 2^79264173742 is an apocalyptic number.

79264173742 is a deficient number, since it is larger than the sum of its proper divisors (59159779058).

79264173742 is a wasteful number, since it uses less digits than its factorization.

79264173742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336660.

The product of its digits is 3556224, while the sum is 52.

The spelling of 79264173742 in words is "seventy-nine billion, two hundred sixty-four million, one hundred seventy-three thousand, seven hundred forty-two".