79136530 has 64 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 26752000.

The previous prime is 79136509. The next prime is 79136531. The reversal of 79136530 is 3563197.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (79136531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188661 + ... + 189079.

It is an arithmetic number, because the mean of its divisors is an integer number (2602530).

Almost surely, 2^79136530 is an apocalyptic number.

79136530 is an abundant number, since it is smaller than the sum of its proper divisors (87425390).

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

79136530 is a wasteful number, since it uses less digits than its factorization.

79136530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 79136530 is about 8895.8715143599. The cubic root of 79136530 is about 429.3310854391.

The spelling of 79136530 in words is "seventy-nine million, one hundred thirty-six thousand, five hundred thirty".