27955972 has 12 divisors (see below), whose sum is σ = 53370576. Its totient is φ = 12707240.

The previous prime is 27955957. The next prime is 27955987.

27955972 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (27955957) and next prime (27955987).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317638 + ... + 317725.

It is an arithmetic number, because the mean of its divisors is an integer number (4447548).

Almost surely, 2^27955972 is an apocalyptic number.

27955972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27955972 is a deficient number, since it is larger than the sum of its proper divisors (25414604).

27955972 is a wasteful number, since it uses less digits than its factorization.

27955972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635378 (or 635376 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 27955972 is about 5287.3407304618. The cubic root of 27955972 is about 303.4996530497.

The spelling of 27955972 in words is "twenty-seven million, nine hundred fifty-five thousand, nine hundred seventy-two".