27697952 has 48 divisors (see below), whose sum is σ = 56391552. Its totient is φ = 13386240.

The previous prime is 27697931. The next prime is 27697961. The reversal of 27697952 is 25979672.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27697897 and 27697906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165773 + ... + 165939.

It is an arithmetic number, because the mean of its divisors is an integer number (1174824).

Almost surely, 2^27697952 is an apocalyptic number.

It is an amenable number.

27697952 is an abundant number, since it is smaller than the sum of its proper divisors (28693600).

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

27697952 is a wasteful number, since it uses less digits than its factorization.

27697952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 313 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 27697952 is about 5262.8843802615. The cubic root of 27697952 is about 302.5630476695.

The spelling of 27697952 in words is "twenty-seven million, six hundred ninety-seven thousand, nine hundred fifty-two".