27990052 has 6 divisors (see below), whose sum is σ = 48982598. Its totient is φ = 13995024.

The previous prime is 27990049. The next prime is 27990071. The reversal of 27990052 is 25009972.

It can be written as a sum of positive squares in only one way, i.e., 27311076 + 678976 = 5226^2 + 824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3498753 + ... + 3498760.

Almost surely, 2^27990052 is an apocalyptic number.

It is an amenable number.

27990052 is a deficient number, since it is larger than the sum of its proper divisors (20992546).

27990052 is a wasteful number, since it uses less digits than its factorization.

27990052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997517 (or 6997515 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 27990052 is about 5290.5625409780. The cubic root of 27990052 is about 303.6229310384.

The spelling of 27990052 in words is "twenty-seven million, nine hundred ninety thousand, fifty-two".