84582172 has 6 divisors (see below), whose sum is σ = 148018808. Its totient is φ = 42291084.

The previous prime is 84582163. The next prime is 84582181. The reversal of 84582172 is 27128548.

It is an interprime number because it is at equal distance from previous prime (84582163) and next prime (84582181).

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 as a sum of consecutive naturals, namely, 10572768 + ... + 10572775.

Almost surely, 2^84582172 is an apocalyptic number.

It is an amenable number.

84582172 is a deficient number, since it is larger than the sum of its proper divisors (63436636).

84582172 is a wasteful number, since it uses less digits than its factorization.

84582172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21145547 (or 21145545 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 84582172 is about 9196.8566369168. The cubic root of 84582172 is about 438.9613448667.

The spelling of 84582172 in words is "eighty-four million, five hundred eighty-two thousand, one hundred seventy-two".