8702731972 has 12 divisors (see below), whose sum is σ = 16614306576. Its totient is φ = 3955787240.

The previous prime is 8702731943. The next prime is 8702731979. The reversal of 8702731972 is 2791372078.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8702731979) 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, 98894638 + ... + 98894725.

It is an arithmetic number, because the mean of its divisors is an integer number (1384525548).

Almost surely, 2^8702731972 is an apocalyptic number.

It is an amenable number.

8702731972 is a deficient number, since it is larger than the sum of its proper divisors (7911574604).

8702731972 is a wasteful number, since it uses less digits than its factorization.

8702731972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197789378 (or 197789376 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 8702731972 is about 93288.4342885012. The cubic root of 8702731972 is about 2056.9253762215.

The spelling of 8702731972 in words is "eight billion, seven hundred two million, seven hundred thirty-one thousand, nine hundred seventy-two".