870577072 has 40 divisors (see below), whose sum is σ = 1791220176. Its totient is φ = 408477696.

The previous prime is 870577069. The next prime is 870577087. The reversal of 870577072 is 270775078.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 91483 + ... + 100549.

Almost surely, 2^870577072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870577072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895610088).

870577072 is an abundant number, since it is smaller than the sum of its proper divisors (920643104).

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

870577072 is a wasteful number, since it uses less digits than its factorization.

870577072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445 (or 9439 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 43.

The square root of 870577072 is about 29505.5430724466. The cubic root of 870577072 is about 954.8512956149.

The spelling of 870577072 in words is "eight hundred seventy million, five hundred seventy-seven thousand, seventy-two".