27976930 has 32 divisors (see below), whose sum is σ = 53323200. Its totient is φ = 10539072.

The previous prime is 27976919. The next prime is 27976931. The reversal of 27976930 is 3967972.

It is a super-2 number, since 2×27976930² = 1565417224449800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27976931) by changing a digit.

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, 43189 + ... + 43831.

It is an arithmetic number, because the mean of its divisors is an integer number (1666350).

Almost surely, 2^27976930 is an apocalyptic number.

27976930 is a deficient number, since it is larger than the sum of its proper divisors (25346270).

27976930 is a wasteful number, since it uses less digits than its factorization.

27976930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 27976930 is about 5289.3222628235. The cubic root of 27976930 is about 303.5754765254.

The spelling of 27976930 in words is "twenty-seven million, nine hundred seventy-six thousand, nine hundred thirty".