27315456 has 72 divisors (see below), whose sum is σ = 83100864. Its totient is φ = 7802880.

The previous prime is 27315451. The next prime is 27315461. The reversal of 27315456 is 65451372.

It is an interprime number because it is at equal distance from previous prime (27315451) and next prime (27315461).

It is a super-2 number, since 2×27315456² = 1492268272975872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27315451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836 + ... + 7916.

Almost surely, 2^27315456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27315456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41550432).

27315456 is an abundant number, since it is smaller than the sum of its proper divisors (55785408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27315456 is an equidigital number, since it uses as much as digits as its factorization.

27315456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107 (or 5093 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 27315456 is about 5226.4190417532. The cubic root of 27315456 is about 301.1638346797.

The spelling of 27315456 in words is "twenty-seven million, three hundred fifteen thousand, four hundred fifty-six".