79227420 has 48 divisors (see below), whose sum is σ = 229491360. Its totient is φ = 20398336.

The previous prime is 79227419. The next prime is 79227431. The reversal of 79227420 is 2472297.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21027 + ... + 24506.

It is an arithmetic number, because the mean of its divisors is an integer number (4781070).

Almost surely, 2^79227420 is an apocalyptic number.

It is an amenable number.

79227420 is an abundant number, since it is smaller than the sum of its proper divisors (150263940).

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

79227420 is a wasteful number, since it uses less digits than its factorization.

79227420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45574 (or 45572 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 79227420 is about 8900.9785978846. The cubic root of 79227420 is about 429.4953878698.

The spelling of 79227420 in words is "seventy-nine million, two hundred twenty-seven thousand, four hundred twenty".