870724290 has 32 divisors (see below), whose sum is σ = 2118370176. Its totient is φ = 229011840.

The previous prime is 870724289. The next prime is 870724313. The reversal of 870724290 is 92427078.

870724290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196606 + ... + 200985.

It is an arithmetic number, because the mean of its divisors is an integer number (66199068).

Almost surely, 2^870724290 is an apocalyptic number.

870724290 is an abundant number, since it is smaller than the sum of its proper divisors (1247645886).

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

870724290 is a wasteful number, since it uses less digits than its factorization.

870724290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397674.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 870724290 is about 29508.0377185607. The cubic root of 870724290 is about 954.9051156153.

The spelling of 870724290 in words is "eight hundred seventy million, seven hundred twenty-four thousand, two hundred ninety".