79997434 has 8 divisors (see below), whose sum is σ = 130904928. Its totient is φ = 36362460.

The previous prime is 79997387. The next prime is 79997447. The reversal of 79997434 is 43479997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818102 + ... + 1818145.

It is an arithmetic number, because the mean of its divisors is an integer number (16363116).

Almost surely, 2^79997434 is an apocalyptic number.

79997434 is a deficient number, since it is larger than the sum of its proper divisors (50907494).

79997434 is a wasteful number, since it uses less digits than its factorization.

79997434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636260.

The product of its digits is 1714608, while the sum is 52.

The square root of 79997434 is about 8944.1284650881. The cubic root of 79997434 is about 430.8823310576.

It can be divided in two parts, 799974 and 34, that added together give a palindrome (800008).

The spelling of 79997434 in words is "seventy-nine million, nine hundred ninety-seven thousand, four hundred thirty-four".