27394545 has 16 divisors (see below), whose sum is σ = 45245952. Its totient is φ = 14138880.

The previous prime is 27394511. The next prime is 27394567. The reversal of 27394545 is 54549372.

It is not a de Polignac number, because 27394545 - 2¹⁰ = 27393521 is a prime.

It is a super-2 number, since 2×27394545² = 1500922191514050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28992 + ... + 29921.

It is an arithmetic number, because the mean of its divisors is an integer number (2827872).

Almost surely, 2^27394545 is an apocalyptic number.

It is an amenable number.

27394545 is a deficient number, since it is larger than the sum of its proper divisors (17851407).

27394545 is a wasteful number, since it uses less digits than its factorization.

27394545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58952.

The product of its digits is 151200, while the sum is 39.

The square root of 27394545 is about 5233.9798432932. The cubic root of 27394545 is about 301.4542172286.

The spelling of 27394545 in words is "twenty-seven million, three hundred ninety-four thousand, five hundred forty-five".