79072730 has 32 divisors (see below), whose sum is σ = 157602240. Its totient is φ = 28321920.

The previous prime is 79072717. The next prime is 79072733. The reversal of 79072730 is 3727097.

It is not an unprimeable number, because it can be changed into a prime (79072733) 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, 2006 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (4925070).

Almost surely, 2^79072730 is an apocalyptic number.

79072730 is a deficient number, since it is larger than the sum of its proper divisors (78529510).

79072730 is a wasteful number, since it uses less digits than its factorization.

79072730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 79072730 is about 8892.2848582353. The cubic root of 79072730 is about 429.2156786119.

The spelling of 79072730 in words is "seventy-nine million, seventy-two thousand, seven hundred thirty".