27664154 has 8 divisors (see below), whose sum is σ = 47424288. Its totient is φ = 11856060.

The previous prime is 27664139. The next prime is 27664157. The reversal of 27664154 is 45146672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (27664157) 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 3 ways as a sum of consecutive naturals, for example, 987992 + ... + 988019.

It is an arithmetic number, because the mean of its divisors is an integer number (5928036).

Almost surely, 2^27664154 is an apocalyptic number.

27664154 is a deficient number, since it is larger than the sum of its proper divisors (19760134).

27664154 is a wasteful number, since it uses less digits than its factorization.

27664154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976020.

The product of its digits is 40320, while the sum is 35.

The square root of 27664154 is about 5259.6724232598. The cubic root of 27664154 is about 302.4399316104.

The spelling of 27664154 in words is "twenty-seven million, six hundred sixty-four thousand, one hundred fifty-four".