27140463 has 18 divisors (see below), whose sum is σ = 45604104. Its totient is φ = 15508584.

The previous prime is 27140459. The next prime is 27140471. The reversal of 27140463 is 36404172.

It is not a de Polignac number, because 27140463 - 2² = 27140459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27140473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30331 + ... + 31212.

Almost surely, 2^27140463 is an apocalyptic number.

27140463 is a deficient number, since it is larger than the sum of its proper divisors (18463641).

27140463 is a wasteful number, since it uses less digits than its factorization.

27140463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61563 (or 61553 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 27140463 is about 5209.6509480003. The cubic root of 27140463 is about 300.5193337893.

The spelling of 27140463 in words is "twenty-seven million, one hundred forty thousand, four hundred sixty-three".