27315407 has 16 divisors (see below), whose sum is σ = 33427200. Its totient is φ = 21804984.

The previous prime is 27315403. The next prime is 27315439. The reversal of 27315407 is 70451372.

It is not a de Polignac number, because 27315407 - 2² = 27315403 is a prime.

It is a super-2 number, since 2×27315407² = 1492262919151298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27315407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27315401) 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 15 ways as a sum of consecutive naturals, for example, 462944 + ... + 463002.

It is an arithmetic number, because the mean of its divisors is an integer number (2089200).

Almost surely, 2^27315407 is an apocalyptic number.

27315407 is a deficient number, since it is larger than the sum of its proper divisors (6111793).

27315407 is an frugal number, since it uses more digits than its factorization.

27315407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 27315407 is about 5226.4143540290. The cubic root of 27315407 is about 301.1636545981.

Adding to 27315407 its reverse (70451372), we get a palindrome (97766779).

The spelling of 27315407 in words is "twenty-seven million, three hundred fifteen thousand, four hundred seven".