27864730 has 16 divisors (see below), whose sum is σ = 52337664. Its totient is φ = 10661200.

The previous prime is 27864721. The next prime is 27864763. The reversal of 27864730 is 3746872.

It is a self number, because there is not a number n which added to its sum of digits gives 27864730.

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 7 ways as a sum of consecutive naturals, for example, 60346 + ... + 60805.

It is an arithmetic number, because the mean of its divisors is an integer number (3271104).

Almost surely, 2^27864730 is an apocalyptic number.

27864730 is a deficient number, since it is larger than the sum of its proper divisors (24472934).

27864730 is a wasteful number, since it uses less digits than its factorization.

27864730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121181.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 27864730 is about 5278.7053336969. The cubic root of 27864730 is about 303.1691083297.

The spelling of 27864730 in words is "twenty-seven million, eight hundred sixty-four thousand, seven hundred thirty".