27047457 has 12 divisors (see below), whose sum is σ = 39256464. Its totient is φ = 17944920.

The previous prime is 27047441. The next prime is 27047477. The reversal of 27047457 is 75474072.

It is a happy number.

It is not a de Polignac number, because 27047457 - 2⁴ = 27047441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27047477) 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, 5223 + ... + 9020.

It is an arithmetic number, because the mean of its divisors is an integer number (3271372).

Almost surely, 2^27047457 is an apocalyptic number.

It is an amenable number.

27047457 is a deficient number, since it is larger than the sum of its proper divisors (12209007).

27047457 is a wasteful number, since it uses less digits than its factorization.

27047457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460 (or 14457 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 27047457 is about 5200.7169698033. The cubic root of 27047457 is about 300.1756637874.

The spelling of 27047457 in words is "twenty-seven million, forty-seven thousand, four hundred fifty-seven".