870745452 has 24 divisors (see below), whose sum is σ = 2138673600. Its totient is φ = 274972176.

The previous prime is 870745439. The next prime is 870745483. The reversal of 870745452 is 254547078.

It is an alternating number because its digits alternate between even and odd.

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, 1909302 + ... + 1909757.

It is an arithmetic number, because the mean of its divisors is an integer number (89111400).

Almost surely, 2^870745452 is an apocalyptic number.

It is an amenable number.

870745452 is an abundant number, since it is smaller than the sum of its proper divisors (1267928148).

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

870745452 is a wasteful number, since it uses less digits than its factorization.

870745452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819085 (or 3819083 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 870745452 is about 29508.3962966475. The cubic root of 870745452 is about 954.9128515269.

The spelling of 870745452 in words is "eight hundred seventy million, seven hundred forty-five thousand, four hundred fifty-two".