27690528 has 48 divisors (see below), whose sum is σ = 75854016. Its totient is φ = 8828160.

The previous prime is 27690503. The next prime is 27690547. The reversal of 27690528 is 82509672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 4063 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (1580292).

Almost surely, 2^27690528 is an apocalyptic number.

It is an amenable number.

27690528 is an abundant number, since it is smaller than the sum of its proper divisors (48163488).

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

27690528 is a wasteful number, since it uses less digits than its factorization.

27690528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577 (or 12569 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 27690528 is about 5262.1790163391. The cubic root of 27690528 is about 302.5360128333.

The spelling of 27690528 in words is "twenty-seven million, six hundred ninety thousand, five hundred twenty-eight".