27664076 has 24 divisors (see below), whose sum is σ = 55594560. Its totient is φ = 11912400.

The previous prime is 27664069. The next prime is 27664079. The reversal of 27664076 is 67046672.

It is a happy number.

It is a super-2 number, since 2×27664076² = 1530602201867552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (27664079) by changing a digit.

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, 15710 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (2316440).

Almost surely, 2^27664076 is an apocalyptic number.

It is an amenable number.

27664076 is an abundant number, since it is smaller than the sum of its proper divisors (27930484).

27664076 is a wasteful number, since it uses less digits than its factorization.

27664076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33125 (or 33123 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 27664076 is about 5259.6650083442. The cubic root of 27664076 is about 302.4396473636.

The spelling of 27664076 in words is "twenty-seven million, six hundred sixty-four thousand, seventy-six".