870732 has 54 divisors (see below), whose sum is σ = 2357628. Its totient is φ = 270864.

The previous prime is 870731. The next prime is 870739. The reversal of 870732 is 237078.

It is a junction number, because it is equal to n+sod(n) for n = 870696 and 870705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870732.

It is not an unprimeable number, because it can be changed into a prime (870731) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12963 + ... + 13029.

2⁸⁷⁰⁷³² 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 870732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178814).

870732 is an abundant number, since it is smaller than the sum of its proper divisors (1486896).

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

870732 is a wasteful number, since it uses less digits than its factorization.

870732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 870732 is about 933.1302159935. The cubic root of 870732 is about 95.4907934072.

The spelling of 870732 in words is "eight hundred seventy thousand, seven hundred thirty-two".