79730723 has 4 divisors (see below), whose sum is σ = 80238720. Its totient is φ = 79222728.

The previous prime is 79730699. The next prime is 79730747. The reversal of 79730723 is 32703797.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (79730699) and next prime (79730747).

It is a cyclic number.

It is not a de Polignac number, because 79730723 - 2¹² = 79726627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79700723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253763 + ... + 254076.

It is an arithmetic number, because the mean of its divisors is an integer number (20059680).

Almost surely, 2^79730723 is an apocalyptic number.

79730723 is a deficient number, since it is larger than the sum of its proper divisors (507997).

79730723 is a wasteful number, since it uses less digits than its factorization.

79730723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507996.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 79730723 is about 8929.2061797228. The cubic root of 79730723 is about 430.4029448068.

The spelling of 79730723 in words is "seventy-nine million, seven hundred thirty thousand, seven hundred twenty-three".