79047872 has 56 divisors (see below), whose sum is σ = 165908736. Its totient is φ = 37292288.

The previous prime is 79047853. The next prime is 79047883. The reversal of 79047872 is 27874097.

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 7 ways as a sum of consecutive naturals, for example, 121853 + ... + 122499.

It is an arithmetic number, because the mean of its divisors is an integer number (2962656).

Almost surely, 2^79047872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79047872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82954368).

79047872 is an abundant number, since it is smaller than the sum of its proper divisors (86860864).

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

79047872 is a wasteful number, since it uses less digits than its factorization.

79047872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 79047872 is about 8890.8870198648. The cubic root of 79047872 is about 429.1706965573.

The spelling of 79047872 in words is "seventy-nine million, forty-seven thousand, eight hundred seventy-two".