27712489 has 12 divisors (see below), whose sum is σ = 32649600. Its totient is φ = 23449608.

The previous prime is 27712471. The next prime is 27712523. The reversal of 27712489 is 98421772.

It is not a de Polignac number, because 27712489 - 2¹⁵ = 27679721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27712409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (2720800).

Almost surely, 2^27712489 is an apocalyptic number.

It is an amenable number.

27712489 is a deficient number, since it is larger than the sum of its proper divisors (4937111).

27712489 is an equidigital number, since it uses as much as digits as its factorization.

27712489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 7245 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 27712489 is about 5264.2652858685. The cubic root of 27712489 is about 302.6159708335.

The spelling of 27712489 in words is "twenty-seven million, seven hundred twelve thousand, four hundred eighty-nine".