8972550 has 72 divisors (see below), whose sum is σ = 24450816. Its totient is φ = 2358720.

The previous prime is 8972501. The next prime is 8972567. The reversal of 8972550 is 552798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57072 + ... + 57228.

Almost surely, 2^8972550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8972550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12225408).

8972550 is an abundant number, since it is smaller than the sum of its proper divisors (15478266).

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

8972550 is a wasteful number, since it uses less digits than its factorization.

8972550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 8972550 is about 2995.4215062325. The cubic root of 8972550 is about 207.7966917517.

The spelling of 8972550 in words is "eight million, nine hundred seventy-two thousand, five hundred fifty".