79375520 has 96 divisors (see below), whose sum is σ = 216349056. Its totient is φ = 26956800.

The previous prime is 79375481. The next prime is 79375529. The reversal of 79375520 is 2557397.

It is not an unprimeable number, because it can be changed into a prime (79375529) 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, 146450 + ... + 146990.

It is an arithmetic number, because the mean of its divisors is an integer number (2253636).

Almost surely, 2^79375520 is an apocalyptic number.

79375520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79375520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108174528).

79375520 is an abundant number, since it is smaller than the sum of its proper divisors (136973536).

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

79375520 is a wasteful number, since it uses less digits than its factorization.

79375520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 79375520 is about 8909.2940236587. The cubic root of 79375520 is about 429.7628401976.

The spelling of 79375520 in words is "seventy-nine million, three hundred seventy-five thousand, five hundred twenty".