79471760 has 20 divisors (see below), whose sum is σ = 184772028. Its totient is φ = 31788672.

The previous prime is 79471747. The next prime is 79471771. The reversal of 79471760 is 6717497.

It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 67305616 = 3488^2 + 8204^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496619 + ... + 496778.

Almost surely, 2^79471760 is an apocalyptic number.

It is an amenable number.

79471760 is an abundant number, since it is smaller than the sum of its proper divisors (105300268).

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

79471760 is a wasteful number, since it uses less digits than its factorization.

79471760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993410 (or 993404 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 79471760 is about 8914.6934888419. The cubic root of 79471760 is about 429.9364607756.

The spelling of 79471760 in words is "seventy-nine million, four hundred seventy-one thousand, seven hundred sixty".