79120530 has 64 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 20969280.

The previous prime is 79120469. The next prime is 79120571. The reversal of 79120530 is 3502197.

79120530 is a `hidden beast` number, since 7 + 9 + 120 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 79120494 and 79120503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48061 + ... + 49679.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^79120530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79120530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

79120530 is an abundant number, since it is smaller than the sum of its proper divisors (133164270).

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

79120530 is a wasteful number, since it uses less digits than its factorization.

79120530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 79120530 is about 8894.9721753359. The cubic root of 79120530 is about 429.3021491170.

It can be divided in two parts, 791 and 20530, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 79120530 in words is "seventy-nine million, one hundred twenty thousand, five hundred thirty".