79043616 has 36 divisors (see below), whose sum is σ = 224781102. Its totient is φ = 26347776.

The previous prime is 79043611. The next prime is 79043621. The reversal of 79043616 is 61634097.

It is an interprime number because it is at equal distance from previous prime (79043611) and next prime (79043621).

It can be written as a sum of positive squares in only one way, i.e., 57699216 + 21344400 = 7596^2 + 4620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (79043611) 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, 136941 + ... + 137516.

Almost surely, 2^79043616 is an apocalyptic number.

It is an amenable number.

79043616 is an abundant number, since it is smaller than the sum of its proper divisors (145737486).

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

79043616 is a wasteful number, since it uses less digits than its factorization.

79043616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274473 (or 274462 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 79043616 is about 8890.6476704456. The cubic root of 79043616 is about 429.1629941224.

The spelling of 79043616 in words is "seventy-nine million, forty-three thousand, six hundred sixteen".