27145373 has 4 divisors (see below), whose sum is σ = 27158208. Its totient is φ = 27132540.

The previous prime is 27145351. The next prime is 27145397. The reversal of 27145373 is 37354172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27145373 - 2¹² = 27141277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27145303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (6789552).

Almost surely, 2^27145373 is an apocalyptic number.

It is an amenable number.

27145373 is a deficient number, since it is larger than the sum of its proper divisors (12835).

27145373 is a wasteful number, since it uses less digits than its factorization.

27145373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12834.

The product of its digits is 17640, while the sum is 32.

The square root of 27145373 is about 5210.1221674736. The cubic root of 27145373 is about 300.5374550836.

The spelling of 27145373 in words is "twenty-seven million, one hundred forty-five thousand, three hundred seventy-three".