79420254 has 16 divisors (see below), whose sum is σ = 161533440. Its totient is φ = 26024600.

The previous prime is 79420223. The next prime is 79420267. The reversal of 79420254 is 45202497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111822 + ... + 112529.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^79420254 is an apocalyptic number.

79420254 is an abundant number, since it is smaller than the sum of its proper divisors (82113186).

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

79420254 is a wasteful number, since it uses less digits than its factorization.

79420254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224415.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 79420254 is about 8911.8041944378. The cubic root of 79420254 is about 429.8435594607.

The spelling of 79420254 in words is "seventy-nine million, four hundred twenty thousand, two hundred fifty-four".