79218960 has 80 divisors (see below), whose sum is σ = 249091200. Its totient is φ = 20823040.

The previous prime is 79218913. The next prime is 79218967. The reversal of 79218960 is 6981297.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (79218967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14716 + ... + 19364.

It is an arithmetic number, because the mean of its divisors is an integer number (3113640).

Almost surely, 2^79218960 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 79218960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124545600).

79218960 is an abundant number, since it is smaller than the sum of its proper divisors (169872240).

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

79218960 is a wasteful number, since it uses less digits than its factorization.

79218960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 79218960 is about 8900.5033565524. The cubic root of 79218960 is about 429.4800999795.

The spelling of 79218960 in words is "seventy-nine million, two hundred eighteen thousand, nine hundred sixty".