27572013 has 12 divisors (see below), whose sum is σ = 45515808. Its totient is φ = 15755400.

The previous prime is 27571981. The next prime is 27572023. The reversal of 27572013 is 31027572.

It is not a de Polignac number, because 27572013 - 2⁵ = 27571981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27572023) 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, 218763 + ... + 218888.

It is an arithmetic number, because the mean of its divisors is an integer number (3792984).

Almost surely, 2^27572013 is an apocalyptic number.

It is an amenable number.

27572013 is a deficient number, since it is larger than the sum of its proper divisors (17943795).

27572013 is a wasteful number, since it uses less digits than its factorization.

27572013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437664 (or 437661 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27572013 is about 5250.9059218386. The cubic root of 27572013 is about 302.1037792244.

Adding to 27572013 its reverse (31027572), we get a palindrome (58599585).

The spelling of 27572013 in words is "twenty-seven million, five hundred seventy-two thousand, thirteen".