27345797 has 4 divisors (see below), whose sum is σ = 27446976. Its totient is φ = 27244620.

The previous prime is 27345763. The next prime is 27345803. The reversal of 27345797 is 79754372.

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 27345797 - 2¹² = 27341701 is a prime.

It is a super-2 number, since 2×27345797² = 1495585227130418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345797) 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, 50183 + ... + 50724.

It is an arithmetic number, because the mean of its divisors is an integer number (6861744).

Almost surely, 2^27345797 is an apocalyptic number.

It is an amenable number.

27345797 is a deficient number, since it is larger than the sum of its proper divisors (101179).

27345797 is a wasteful number, since it uses less digits than its factorization.

27345797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101178.

The product of its digits is 370440, while the sum is 44.

The square root of 27345797 is about 5229.3208928120. The cubic root of 27345797 is about 301.2753006419.

The spelling of 27345797 in words is "twenty-seven million, three hundred forty-five thousand, seven hundred ninety-seven".