79434894 has 32 divisors (see below), whose sum is σ = 198072576. Its totient is φ = 20632320.

The previous prime is 79434881. The next prime is 79434899. The reversal of 79434894 is 49843497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79434899) 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, 85507 + ... + 86430.

It is an arithmetic number, because the mean of its divisors is an integer number (6189768).

Almost surely, 2^79434894 is an apocalyptic number.

79434894 is an abundant number, since it is smaller than the sum of its proper divisors (118637682).

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

79434894 is a wasteful number, since it uses less digits than its factorization.

79434894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171960.

The product of its digits is 870912, while the sum is 48.

The square root of 79434894 is about 8912.6255390878. The cubic root of 79434894 is about 429.8699696972.

The spelling of 79434894 in words is "seventy-nine million, four hundred thirty-four thousand, eight hundred ninety-four".