27992670 has 32 divisors (see below), whose sum is σ = 67409280. Its totient is φ = 7439520.

The previous prime is 27992641. The next prime is 27992729. The reversal of 27992670 is 7629972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8521 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (2106540).

Almost surely, 2^27992670 is an apocalyptic number.

27992670 is an abundant number, since it is smaller than the sum of its proper divisors (39416610).

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

27992670 is a wasteful number, since it uses less digits than its factorization.

27992670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 27992670 is about 5290.8099568970. The cubic root of 27992670 is about 303.6323970212.

The spelling of 27992670 in words is "twenty-seven million, nine hundred ninety-two thousand, six hundred seventy".