27940075 has 6 divisors (see below), whose sum is σ = 34645724. Its totient is φ = 22352040.

The previous prime is 27940057. The next prime is 27940097. The reversal of 27940075 is 57004972.

It is a de Polignac number, because none of the positive numbers 2^k-27940075 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27940075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558777 + ... + 558826.

Almost surely, 2^27940075 is an apocalyptic number.

27940075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27940075 is a deficient number, since it is larger than the sum of its proper divisors (6705649).

27940075 is a wasteful number, since it uses less digits than its factorization.

27940075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117613 (or 1117608 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 27940075 is about 5285.8372089954. The cubic root of 27940075 is about 303.4421143744.

The spelling of 27940075 in words is "twenty-seven million, nine hundred forty thousand, seventy-five".