8720874 has 12 divisors (see below), whose sum is σ = 18895266. Its totient is φ = 2906952.

The previous prime is 8720839. The next prime is 8720891. The reversal of 8720874 is 4780278.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 1671849 = 2655^2 + 1293^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242229 + ... + 242264.

Almost surely, 2^8720874 is an apocalyptic number.

8720874 is an abundant number, since it is smaller than the sum of its proper divisors (10174392).

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

8720874 is a wasteful number, since it uses less digits than its factorization.

8720874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484501 (or 484498 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 8720874 is about 2953.1125952120. The cubic root of 8720874 is about 205.8353697705.

The spelling of 8720874 in words is "eight million, seven hundred twenty thousand, eight hundred seventy-four".