27631064 has 16 divisors (see below), whose sum is σ = 52285200. Its totient is φ = 13688352.

The previous prime is 27631061. The next prime is 27631081. The reversal of 27631064 is 46013672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27631061) 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, 14972 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (3267825).

Almost surely, 2^27631064 is an apocalyptic number.

It is an amenable number.

27631064 is a deficient number, since it is larger than the sum of its proper divisors (24654136).

27631064 is a wasteful number, since it uses less digits than its factorization.

27631064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31802 (or 31798 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27631064 is about 5256.5258488854. The cubic root of 27631064 is about 302.3192973992.

The spelling of 27631064 in words is "twenty-seven million, six hundred thirty-one thousand, sixty-four".