79919572 has 12 divisors (see below), whose sum is σ = 145940256. Its totient is φ = 38222360.

The previous prime is 79919531. The next prime is 79919603. The reversal of 79919572 is 27591997.

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, 434254 + ... + 434437.

It is an arithmetic number, because the mean of its divisors is an integer number (12161688).

Almost surely, 2^79919572 is an apocalyptic number.

It is an amenable number.

79919572 is a deficient number, since it is larger than the sum of its proper divisors (66020684).

79919572 is a wasteful number, since it uses less digits than its factorization.

79919572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868718 (or 868716 counting only the distinct ones).

The product of its digits is 357210, while the sum is 49.

The square root of 79919572 is about 8939.7747175195. The cubic root of 79919572 is about 430.7424921950.

It can be divided in two parts, 799 and 19572, that multiplied together give a triangular number (15638028 = T₅₅₉₂).

The spelling of 79919572 in words is "seventy-nine million, nine hundred nineteen thousand, five hundred seventy-two".