872642 has 16 divisors (see below), whose sum is σ = 1367520. Its totient is φ = 417312.

The previous prime is 872623. The next prime is 872647. The reversal of 872642 is 246278.

It is not an unprimeable number, because it can be changed into a prime (872647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209 + ... + 6347.

It is an arithmetic number, because the mean of its divisors is an integer number (85470).

2⁸⁷²⁶⁴² is an apocalyptic number.

872642 is a deficient number, since it is larger than the sum of its proper divisors (494878).

872642 is a wasteful number, since it uses less digits than its factorization.

872642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its digits is 5376, while the sum is 29.

The square root of 872642 is about 934.1530923783. The cubic root of 872642 is about 95.5605639063.

The spelling of 872642 in words is "eight hundred seventy-two thousand, six hundred forty-two".