79541136 has 80 divisors (see below), whose sum is σ = 230699520. Its totient is φ = 26236800.

The previous prime is 79541129. The next prime is 79541149. The reversal of 79541136 is 63114597.

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 79541136.

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, 42721 + ... + 44543.

It is an arithmetic number, because the mean of its divisors is an integer number (2883744).

Almost surely, 2^79541136 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 79541136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115349760).

79541136 is an abundant number, since it is smaller than the sum of its proper divisors (151158384).

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

79541136 is a wasteful number, since it uses less digits than its factorization.

79541136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1929 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 79541136 is about 8918.5837440706. The cubic root of 79541136 is about 430.0615307658.

The spelling of 79541136 in words is "seventy-nine million, five hundred forty-one thousand, one hundred thirty-six".