84572480 has 28 divisors (see below), whose sum is σ = 201388980. Its totient is φ = 33828864.

The previous prime is 84572461. The next prime is 84572483. The reversal of 84572480 is 8427548.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 75620416 = 2992^2 + 8696^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84572483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131825 + ... + 132464.

Almost surely, 2^84572480 is an apocalyptic number.

84572480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84572480 is an abundant number, since it is smaller than the sum of its proper divisors (116816500).

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

84572480 is a wasteful number, since it uses less digits than its factorization.

84572480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264306 (or 264296 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 84572480 is about 9196.3297026586. The cubic root of 84572480 is about 438.9445778351.

The spelling of 84572480 in words is "eighty-four million, five hundred seventy-two thousand, four hundred eighty".