27572045 has 12 divisors (see below), whose sum is σ = 35149044. Its totient is φ = 20759040.

The previous prime is 27572029. The next prime is 27572053. The reversal of 27572045 is 54027572.

It can be written as a sum of positive squares in 6 ways, for example, as 51529 + 27520516 = 227^2 + 5246^2 .

It is not a de Polignac number, because 27572045 - 2⁴ = 27572029 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8096 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (2929087).

Almost surely, 2^27572045 is an apocalyptic number.

It is an amenable number.

27572045 is a deficient number, since it is larger than the sum of its proper divisors (7576999).

27572045 is a wasteful number, since it uses less digits than its factorization.

27572045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19120 (or 19103 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 27572045 is about 5250.9089689310. The cubic root of 27572045 is about 302.1038960980.

The spelling of 27572045 in words is "twenty-seven million, five hundred seventy-two thousand, forty-five".