79320456 has 24 divisors (see below), whose sum is σ = 214826430. Its totient is φ = 26440128.

The previous prime is 79320433. The next prime is 79320457. The reversal of 79320456 is 65402397.

It can be written as a sum of positive squares in only one way, i.e., 77264100 + 2056356 = 8790^2 + 1434^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 79320456.

It is not an unprimeable number, because it can be changed into a prime (79320457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550765 + ... + 550908.

Almost surely, 2^79320456 is an apocalyptic number.

It is an amenable number.

79320456 is an abundant number, since it is smaller than the sum of its proper divisors (135505974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79320456 is a wasteful number, since it uses less digits than its factorization.

79320456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101685 (or 1101678 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 79320456 is about 8906.2032314562. The cubic root of 79320456 is about 429.6634395458.

The spelling of 79320456 in words is "seventy-nine million, three hundred twenty thousand, four hundred fifty-six".