870574 has 4 divisors (see below), whose sum is σ = 1305864. Its totient is φ = 435286.

The previous prime is 870547. The next prime is 870577. The reversal of 870574 is 475078.

It is a happy number.

870574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 217642 + ... + 217645.

It is an arithmetic number, because the mean of its divisors is an integer number (326466).

2⁸⁷⁰⁵⁷⁴ is an apocalyptic number.

870574 is a deficient number, since it is larger than the sum of its proper divisors (435290).

870574 is a wasteful number, since it uses less digits than its factorization.

870574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435289.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 870574 is about 933.0455508709. The cubic root of 870574 is about 95.4850172488.

It can be divided in two parts, 870 and 574, that added together give a square (1444 = 38²).

The spelling of 870574 in words is "eight hundred seventy thousand, five hundred seventy-four".