870575 has 12 divisors (see below), whose sum is σ = 1093680. Its totient is φ = 687360.

The previous prime is 870547. The next prime is 870577. The reversal of 870575 is 575078.

It is not a de Polignac number, because 870575 - 2¹⁰ = 869551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246 + ... + 2604.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2⁸⁷⁰⁵⁷⁵ is an apocalyptic number.

870575 is a deficient number, since it is larger than the sum of its proper divisors (223105).

870575 is a wasteful number, since it uses less digits than its factorization.

870575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 870575 is about 933.0460867503. The cubic root of 870575 is about 95.4850538089.

The spelling of 870575 in words is "eight hundred seventy thousand, five hundred seventy-five".