84579072 has 36 divisors (see below), whose sum is σ = 225105720. Its totient is φ = 28192768.

The previous prime is 84579049. The next prime is 84579083. The reversal of 84579072 is 27097548.

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, 54297 + ... + 55832.

Almost surely, 2^84579072 is an apocalyptic number.

It is an amenable number.

84579072 is an abundant number, since it is smaller than the sum of its proper divisors (140526648).

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

84579072 is a wasteful number, since it uses less digits than its factorization.

84579072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110148 (or 110134 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 84579072 is about 9196.6880995280. The cubic root of 84579072 is about 438.9559820471.

The spelling of 84579072 in words is "eighty-four million, five hundred seventy-nine thousand, seventy-two".