8732664 has 32 divisors (see below), whose sum is σ = 24258000. Its totient is φ = 2910816.

The previous prime is 8732653. The next prime is 8732677. The reversal of 8732664 is 4662378.

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

It is a d-powerful number, because it can be written as 8 + 7³ + 3⁶ + 2²³ + 6⁶ + 6⁷ + 4⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19999 + ... + 20430.

Almost surely, 2^8732664 is an apocalyptic number.

It is an amenable number.

8732664 is an abundant number, since it is smaller than the sum of its proper divisors (15525336).

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

8732664 is a wasteful number, since it uses less digits than its factorization.

8732664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40444 (or 40434 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 8732664 is about 2955.1081198494. The cubic root of 8732664 is about 205.9280862501.

The spelling of 8732664 in words is "eight million, seven hundred thirty-two thousand, six hundred sixty-four".