27456345 has 48 divisors (see below), whose sum is σ = 54991872. Its totient is φ = 12412800.

The previous prime is 27456329. The next prime is 27456353. The reversal of 27456345 is 54365472.

It is not a de Polignac number, because 27456345 - 2⁴ = 27456329 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31384 + ... + 32246.

It is an arithmetic number, because the mean of its divisors is an integer number (1145664).

Almost surely, 2^27456345 is an apocalyptic number.

It is an amenable number.

27456345 is an abundant number, since it is smaller than the sum of its proper divisors (27535527).

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

27456345 is a wasteful number, since it uses less digits than its factorization.

27456345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 979 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 27456345 is about 5239.8802467232. The cubic root of 27456345 is about 301.6807328721.

The spelling of 27456345 in words is "twenty-seven million, four hundred fifty-six thousand, three hundred forty-five".