868772 has 12 divisors (see below), whose sum is σ = 1556016. Its totient is φ = 424200.

The previous prime is 868771. The next prime is 868783. The reversal of 868772 is 277868.

It is an Ulam number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (868771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (129668).

2⁸⁶⁸⁷⁷² is an apocalyptic number.

It is an amenable number.

868772 is a deficient number, since it is larger than the sum of its proper divisors (687244).

868772 is a wasteful number, since it uses less digits than its factorization.

868772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5096 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 868772 is about 932.0793957598. The cubic root of 868772 is about 95.4190903024.

The spelling of 868772 in words is "eight hundred sixty-eight thousand, seven hundred seventy-two".