27345900 has 36 divisors (see below), whose sum is σ = 79121672. Its totient is φ = 7292160.

The previous prime is 27345859. The next prime is 27345907. The reversal of 27345900 is 954372.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (27345907) 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, 45277 + ... + 45876.

Almost surely, 2^27345900 is an apocalyptic number.

27345900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27345900 is an abundant number, since it is smaller than the sum of its proper divisors (51775772).

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

27345900 is a wasteful number, since it uses less digits than its factorization.

27345900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91170 (or 91163 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 27345900 is about 5229.3307411178. The cubic root of 27345900 is about 301.2756789001.

The spelling of 27345900 in words is "twenty-seven million, three hundred forty-five thousand, nine hundred".