8972637 has 4 divisors (see below), whose sum is σ = 11963520. Its totient is φ = 5981756.

The previous prime is 8972627. The next prime is 8972647. The reversal of 8972637 is 7362798.

8972637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8972627) and next prime (8972647).

It is a cyclic number.

It is not a de Polignac number, because 8972637 - 2¹⁴ = 8956253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8972627) 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, 1495437 + ... + 1495442.

It is an arithmetic number, because the mean of its divisors is an integer number (2990880).

Almost surely, 2^8972637 is an apocalyptic number.

It is an amenable number.

8972637 is a deficient number, since it is larger than the sum of its proper divisors (2990883).

8972637 is a wasteful number, since it uses less digits than its factorization.

8972637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990882.

The product of its digits is 127008, while the sum is 42.

The square root of 8972637 is about 2995.4360283605. The cubic root of 8972637 is about 207.7973633651.

The spelling of 8972637 in words is "eight million, nine hundred seventy-two thousand, six hundred thirty-seven".