79125020 has 48 divisors (see below), whose sum is σ = 184735488. Its totient is φ = 28270080.

The previous prime is 79125019. The next prime is 79125023. The reversal of 79125020 is 2052197.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79125023) 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, 3152 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (3848656).

Almost surely, 2^79125020 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 79125020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92367744).

79125020 is an abundant number, since it is smaller than the sum of its proper divisors (105610468).

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

79125020 is a wasteful number, since it uses less digits than its factorization.

79125020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870 (or 9868 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 79125020 is about 8895.2245615274. The cubic root of 79125020 is about 429.3102697661.

The spelling of 79125020 in words is "seventy-nine million, one hundred twenty-five thousand, twenty".