27941731 has 2 divisors, whose sum is σ = 27941732. Its totient is φ = 27941730.

The previous prime is 27941717. The next prime is 27941741. The reversal of 27941731 is 13714972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27941731 - 2⁷ = 27941603 is a prime.

It is a super-2 number, since 2×27941731² = 1561480662552722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27941741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13970865 + 13970866.

It is an arithmetic number, because the mean of its divisors is an integer number (13970866).

Almost surely, 2^27941731 is an apocalyptic number.

27941731 is a deficient number, since it is larger than the sum of its proper divisors (1).

27941731 is an equidigital number, since it uses as much as digits as its factorization.

27941731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 27941731 is about 5285.9938516801. The cubic root of 27941731 is about 303.4481092308.

The spelling of 27941731 in words is "twenty-seven million, nine hundred forty-one thousand, seven hundred thirty-one".