79380730 has 32 divisors (see below), whose sum is σ = 167868288. Its totient is φ = 26644800.

The previous prime is 79380713. The next prime is 79380731. The reversal of 79380730 is 3708397.

It is a self number, because there is not a number n which added to its sum of digits gives 79380730.

It is not an unprimeable number, because it can be changed into a prime (79380731) 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, 26326 + ... + 29185.

It is an arithmetic number, because the mean of its divisors is an integer number (5245884).

Almost surely, 2^79380730 is an apocalyptic number.

79380730 is an abundant number, since it is smaller than the sum of its proper divisors (88487558).

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

79380730 is a wasteful number, since it uses less digits than its factorization.

79380730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55542.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 79380730 is about 8909.5864101540. The cubic root of 79380730 is about 429.7722428253.

The spelling of 79380730 in words is "seventy-nine million, three hundred eighty thousand, seven hundred thirty".