635672 has 16 divisors (see below), whose sum is σ = 1201200. Its totient is φ = 315360.

The previous prime is 635659. The next prime is 635689. The reversal of 635672 is 276536.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

635672 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (75075).

2⁶³⁵⁶⁷² is an apocalyptic number.

It is an amenable number.

635672 is a deficient number, since it is larger than the sum of its proper divisors (565528).

635672 is a wasteful number, since it uses less digits than its factorization.

635672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 622 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 635672 is about 797.2904113308. The cubic root of 635672 is about 85.9826898638.

The spelling of 635672 in words is "six hundred thirty-five thousand, six hundred seventy-two".