84004572 has 24 divisors (see below), whose sum is σ = 200792592. Its totient is φ = 27318400.

The previous prime is 84004559. The next prime is 84004589. The reversal of 84004572 is 27540048.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 84879 + ... + 85862.

It is an arithmetic number, because the mean of its divisors is an integer number (8366358).

Almost surely, 2^84004572 is an apocalyptic number.

84004572 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

84004572 is an abundant number, since it is smaller than the sum of its proper divisors (116788020).

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

84004572 is a wasteful number, since it uses less digits than its factorization.

84004572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170789 (or 170787 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 84004572 is about 9165.4008095664. The cubic root of 84004572 is about 437.9598595436.

The spelling of 84004572 in words is "eighty-four million, four thousand, five hundred seventy-two".