27707072 has 14 divisors (see below), whose sum is σ = 54981348. Its totient is φ = 13853504.

The previous prime is 27707051. The next prime is 27707083. The reversal of 27707072 is 27070772.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216398 + ... + 216525.

Almost surely, 2^27707072 is an apocalyptic number.

It is an amenable number.

27707072 is a deficient number, since it is larger than the sum of its proper divisors (27274276).

27707072 is an equidigital number, since it uses as much as digits as its factorization.

27707072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432935 (or 432925 counting only the distinct ones).

The product of its (nonzero) digits is 9604, while the sum is 32.

The square root of 27707072 is about 5263.7507539776. The cubic root of 27707072 is about 302.5962519559.

The spelling of 27707072 in words is "twenty-seven million, seven hundred seven thousand, seventy-two".