27922975 has 12 divisors (see below), whose sum is σ = 35561464. Its totient is φ = 21733920.

The previous prime is 27922963. The next prime is 27922981. The reversal of 27922975 is 57922972.

It is not a de Polignac number, because 27922975 - 2⁹ = 27922463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14169 + ... + 16018.

Almost surely, 2^27922975 is an apocalyptic number.

27922975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27922975 is a deficient number, since it is larger than the sum of its proper divisors (7638489).

27922975 is a wasteful number, since it uses less digits than its factorization.

27922975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30234 (or 30229 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 27922975 is about 5284.2194314771. The cubic root of 27922975 is about 303.3801971093.

The spelling of 27922975 in words is "twenty-seven million, nine hundred twenty-two thousand, nine hundred seventy-five".