27730956 has 48 divisors (see below), whose sum is σ = 74309760. Its totient is φ = 7960320.

The previous prime is 27730949. The next prime is 27730973. The reversal of 27730956 is 65903772.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021 + ... + 8036.

It is an arithmetic number, because the mean of its divisors is an integer number (1548120).

Almost surely, 2^27730956 is an apocalyptic number.

It is an amenable number.

27730956 is an abundant number, since it is smaller than the sum of its proper divisors (46578804).

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

27730956 is a wasteful number, since it uses less digits than its factorization.

27730956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094 (or 11092 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 27730956 is about 5266.0189897113. The cubic root of 27730956 is about 302.6831748086.

The spelling of 27730956 in words is "twenty-seven million, seven hundred thirty thousand, nine hundred fifty-six".