27745230 has 16 divisors (see below), whose sum is σ = 66588624. Its totient is φ = 7398720.

The previous prime is 27745189. The next prime is 27745261. The reversal of 27745230 is 3254772.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 924841 = 27745230 / (2 + 7 + 7 + 4 + 5 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462391 + ... + 462450.

It is an arithmetic number, because the mean of its divisors is an integer number (4161789).

Almost surely, 2^27745230 is an apocalyptic number.

27745230 is an abundant number, since it is smaller than the sum of its proper divisors (38843394).

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

27745230 is a wasteful number, since it uses less digits than its factorization.

27745230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924851.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 27745230 is about 5267.3741086048. The cubic root of 27745230 is about 302.7350994345.

The spelling of 27745230 in words is "twenty-seven million, seven hundred forty-five thousand, two hundred thirty".