79075620 has 144 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 19024128.

The previous prime is 79075613. The next prime is 79075621. The reversal of 79075620 is 2657097.

79075620 is a `hidden beast` number, since 7 + 90 + 7 + 562 + 0 = 666.

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 (79075621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109621 + ... + 110339.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^79075620 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 79075620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

79075620 is an abundant number, since it is smaller than the sum of its proper divisors (185101020).

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

79075620 is a wasteful number, since it uses less digits than its factorization.

79075620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 79075620 is about 8892.4473571678. The cubic root of 79075620 is about 429.2209076300.

The spelling of 79075620 in words is "seventy-nine million, seventy-five thousand, six hundred twenty".