79730774 has 4 divisors (see below), whose sum is σ = 119596164. Its totient is φ = 39865386.

The previous prime is 79730767. The next prime is 79730789. The reversal of 79730774 is 47703797.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19932692 + ... + 19932695.

It is an arithmetic number, because the mean of its divisors is an integer number (29899041).

Almost surely, 2^79730774 is an apocalyptic number.

79730774 is a deficient number, since it is larger than the sum of its proper divisors (39865390).

79730774 is a wasteful number, since it uses less digits than its factorization.

79730774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39865389.

The product of its (nonzero) digits is 259308, while the sum is 44.

The square root of 79730774 is about 8929.2090355193. The cubic root of 79730774 is about 430.4030365763.

The spelling of 79730774 in words is "seventy-nine million, seven hundred thirty thousand, seven hundred seventy-four".