84674520 has 96 divisors (see below), whose sum is σ = 314514720. Its totient is φ = 19353600.

The previous prime is 84674497. The next prime is 84674531. The reversal of 84674520 is 2547648.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14281 + ... + 19320.

It is an arithmetic number, because the mean of its divisors is an integer number (3276195).

Almost surely, 2^84674520 is an apocalyptic number.

It is an amenable number.

84674520 is an abundant number, since it is smaller than the sum of its proper divisors (229840200).

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

84674520 is a wasteful number, since it uses less digits than its factorization.

84674520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33625 (or 33618 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 84674520 is about 9201.8758957074. The cubic root of 84674520 is about 439.1210414759.

The spelling of 84674520 in words is "eighty-four million, six hundred seventy-four thousand, five hundred twenty".