868720532 has 12 divisors (see below), whose sum is σ = 1531199040. Its totient is φ = 431235096.

The previous prime is 868720483. The next prime is 868720597. The reversal of 868720532 is 235027868.

It is a self number, because there is not a number n which added to its sum of digits gives 868720532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780668 + ... + 781779.

It is an arithmetic number, because the mean of its divisors is an integer number (127599920).

Almost surely, 2^868720532 is an apocalyptic number.

It is an amenable number.

868720532 is a deficient number, since it is larger than the sum of its proper divisors (662478508).

868720532 is a wasteful number, since it uses less digits than its factorization.

868720532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562590 (or 1562588 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 868720532 is about 29474.0654135123. The cubic root of 868720532 is about 954.1720598497.

The spelling of 868720532 in words is "eight hundred sixty-eight million, seven hundred twenty thousand, five hundred thirty-two".