27390357 has 12 divisors (see below), whose sum is σ = 39808704. Its totient is φ = 18147240.

The previous prime is 27390277. The next prime is 27390361. The reversal of 27390357 is 75309372.

It is a happy number.

It is not a de Polignac number, because 27390357 - 2¹⁰ = 27389333 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27390157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7869 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (3317392).

Almost surely, 2^27390357 is an apocalyptic number.

It is an amenable number.

27390357 is a deficient number, since it is larger than the sum of its proper divisors (12418347).

27390357 is a wasteful number, since it uses less digits than its factorization.

27390357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18840 (or 18837 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 27390357 is about 5233.5797500373. The cubic root of 27390357 is about 301.4388546251.

The spelling of 27390357 in words is "twenty-seven million, three hundred ninety thousand, three hundred fifty-seven".