27669028 has 12 divisors (see below), whose sum is σ = 48575772. Its totient is φ = 13790240.

The previous prime is 27669017. The next prime is 27669029. The reversal of 27669028 is 82096672.

It can be written as a sum of positive squares in 2 ways, for example, as 7795264 + 19873764 = 2792^2 + 4458^2 .

It is a super-2 number, since 2×27669028² = 1531150220929568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27669029) 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, 9643 + ... + 12178.

It is an arithmetic number, because the mean of its divisors is an integer number (4047981).

Almost surely, 2^27669028 is an apocalyptic number.

It is an amenable number.

27669028 is a deficient number, since it is larger than the sum of its proper divisors (20906744).

27669028 is a wasteful number, since it uses less digits than its factorization.

27669028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142 (or 22140 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 27669028 is about 5260.1357396934. The cubic root of 27669028 is about 302.4576923278.

The spelling of 27669028 in words is "twenty-seven million, six hundred sixty-nine thousand, twenty-eight".