27740764 has 12 divisors (see below), whose sum is σ = 49730688. Its totient is φ = 13532000.

The previous prime is 27740743. The next prime is 27740773. The reversal of 27740764 is 46704772.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 84412 + ... + 84739.

It is an arithmetic number, because the mean of its divisors is an integer number (4144224).

Almost surely, 2^27740764 is an apocalyptic number.

It is an amenable number.

27740764 is a deficient number, since it is larger than the sum of its proper divisors (21989924).

27740764 is a wasteful number, since it uses less digits than its factorization.

27740764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169196 (or 169194 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 27740764 is about 5266.9501611464. The cubic root of 27740764 is about 302.7188553510.

It can be divided in two parts, 277 and 40764, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 27740764 in words is "twenty-seven million, seven hundred forty thousand, seven hundred sixty-four".