27374681 has 2 divisors, whose sum is σ = 27374682. Its totient is φ = 27374680.

The previous prime is 27374663. The next prime is 27374707. The reversal of 27374681 is 18647372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 2374681 = 5000^2 + 1541^2 .

It is a cyclic number.

It is not a de Polignac number, because 27374681 - 2¹⁴ = 27358297 is a prime.

It is a super-2 number, since 2×27374681² = 1498746319703522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27374651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13687340 + 13687341.

It is an arithmetic number, because the mean of its divisors is an integer number (13687341).

Almost surely, 2^27374681 is an apocalyptic number.

It is an amenable number.

27374681 is a deficient number, since it is larger than the sum of its proper divisors (1).

27374681 is an equidigital number, since it uses as much as digits as its factorization.

27374681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 27374681 is about 5232.0818992061. The cubic root of 27374681 is about 301.3813373360.

The spelling of 27374681 in words is "twenty-seven million, three hundred seventy-four thousand, six hundred eighty-one".