870774 has 16 divisors (see below), whose sum is σ = 1844208. Its totient is φ = 273152.

The previous prime is 870773. The next prime is 870787. The reversal of 870774 is 477078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870773) 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 7 ways as a sum of consecutive naturals, for example, 4167 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (115263).

2⁸⁷⁰⁷⁷⁴ is an apocalyptic number.

870774 is an abundant number, since it is smaller than the sum of its proper divisors (973434).

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

870774 is a wasteful number, since it uses less digits than its factorization.

870774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 870774 is about 933.1527206197. The cubic root of 870774 is about 95.4923287242.

It can be divided in two parts, 870 and 774, that multiplied together give a triangular number (673380 = T₁₁₆₀).

The spelling of 870774 in words is "eight hundred seventy thousand, seven hundred seventy-four".