27696351 has 4 divisors (see below), whose sum is σ = 36928472. Its totient is φ = 18464232.

The previous prime is 27696329. The next prime is 27696367. The reversal of 27696351 is 15369672.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27696351 - 2²² = 23502047 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 (27696551) 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, 4616056 + ... + 4616061.

It is an arithmetic number, because the mean of its divisors is an integer number (9232118).

Almost surely, 2^27696351 is an apocalyptic number.

27696351 is a deficient number, since it is larger than the sum of its proper divisors (9232121).

27696351 is an equidigital number, since it uses as much as digits as its factorization.

27696351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232120.

The product of its digits is 68040, while the sum is 39.

The square root of 27696351 is about 5262.7322751590. The cubic root of 27696351 is about 302.5572179633.

The spelling of 27696351 in words is "twenty-seven million, six hundred ninety-six thousand, three hundred fifty-one".