32275644 has 12 divisors (see below), whose sum is σ = 75309864. Its totient is φ = 10758544.

The previous prime is 32275643. The next prime is 32275667. The reversal of 32275644 is 44657223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32275644² = 2083434391229472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32275643) 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, 1344807 + ... + 1344830.

It is an arithmetic number, because the mean of its divisors is an integer number (6275822).

Almost surely, 2^32275644 is an apocalyptic number.

It is an amenable number.

32275644 is an abundant number, since it is smaller than the sum of its proper divisors (43034220).

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

32275644 is a wasteful number, since it uses less digits than its factorization.

32275644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689644 (or 2689642 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 32275644 is about 5681.1657254476. The cubic root of 32275644 is about 318.3891837230.

The spelling of 32275644 in words is "thirty-two million, two hundred seventy-five thousand, six hundred forty-four".