974072987 has 16 divisors (see below), whose sum is σ = 1044360864. Its totient is φ = 905280000.

The previous prime is 974072971. The next prime is 974072999. The reversal of 974072987 is 789270479.

It is a cyclic number.

It is not a de Polignac number, because 974072987 - 2⁴ = 974072971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (974072947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186037 + ... + 1186857.

It is an arithmetic number, because the mean of its divisors is an integer number (65272554).

Almost surely, 2^974072987 is an apocalyptic number.

974072987 is a deficient number, since it is larger than the sum of its proper divisors (70287877).

974072987 is a wasteful number, since it uses less digits than its factorization.

974072987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 974072987 is about 31210.1423739143. The cubic root of 974072987 is about 991.2818775498.

The spelling of 974072987 in words is "nine hundred seventy-four million, seventy-two thousand, nine hundred eighty-seven".