870340536 has 72 divisors (see below), whose sum is σ = 2552476680. Its totient is φ = 267793344.

The previous prime is 870340487. The next prime is 870340553. The reversal of 870340536 is 635043078.

It is a happy number.

870340536 is a `hidden beast` number, since 87 + 0 + 3 + 40 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 870340536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23596 + ... + 47931.

It is an arithmetic number, because the mean of its divisors is an integer number (35451065).

Almost surely, 2^870340536 is an apocalyptic number.

It is an amenable number.

870340536 is an abundant number, since it is smaller than the sum of its proper divisors (1682136144).

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

870340536 is a wasteful number, since it uses less digits than its factorization.

870340536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71565 (or 71545 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 870340536 is about 29501.5344685662. The cubic root of 870340536 is about 954.7648100061.

The spelling of 870340536 in words is "eight hundred seventy million, three hundred forty thousand, five hundred thirty-six".