27970648 has 16 divisors (see below), whose sum is σ = 52668000. Its totient is φ = 13925856.

The previous prime is 27970643. The next prime is 27970669. The reversal of 27970648 is 84607972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27970643) 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, 5403 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (3291750).

Almost surely, 2^27970648 is an apocalyptic number.

It is an amenable number.

27970648 is a deficient number, since it is larger than the sum of its proper divisors (24697352).

27970648 is a wasteful number, since it uses less digits than its factorization.

27970648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874 (or 14870 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 27970648 is about 5288.7283915890. The cubic root of 27970648 is about 303.5527529945.

The spelling of 27970648 in words is "twenty-seven million, nine hundred seventy thousand, six hundred forty-eight".