870612270 has 64 divisors (see below), whose sum is σ = 2285763840. Its totient is φ = 210470400.

The previous prime is 870612269. The next prime is 870612283. The reversal of 870612270 is 72216078.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121590 + ... + 128550.

It is an arithmetic number, because the mean of its divisors is an integer number (35715060).

Almost surely, 2^870612270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870612270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142881920).

870612270 is an abundant number, since it is smaller than the sum of its proper divisors (1415151570).

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

870612270 is a wasteful number, since it uses less digits than its factorization.

870612270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 870612270 is about 29506.1395306129. The cubic root of 870612270 is about 954.8641638621.

The spelling of 870612270 in words is "eight hundred seventy million, six hundred twelve thousand, two hundred seventy".