27940582 has 4 divisors (see below), whose sum is σ = 41910876. Its totient is φ = 13970290.

The previous prime is 27940573. The next prime is 27940609. The reversal of 27940582 is 28504972.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×27940582² = 1561352244997448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985144 + ... + 6985147.

It is an arithmetic number, because the mean of its divisors is an integer number (10477719).

Almost surely, 2^27940582 is an apocalyptic number.

27940582 is a deficient number, since it is larger than the sum of its proper divisors (13970294).

27940582 is a wasteful number, since it uses less digits than its factorization.

27940582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970293.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 27940582 is about 5285.8851671220. The cubic root of 27940582 is about 303.4439497813.

The spelling of 27940582 in words is "twenty-seven million, nine hundred forty thousand, five hundred eighty-two".