27392641 has 2 divisors, whose sum is σ = 27392642. Its totient is φ = 27392640.

The previous prime is 27392621. The next prime is 27392657. The reversal of 27392641 is 14629372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24295041 + 3097600 = 4929^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 27392641 - 2¹³ = 27384449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27392597 and 27392606.

It is not a weakly prime, because it can be changed into another prime (27392611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13696320 + 13696321.

It is an arithmetic number, because the mean of its divisors is an integer number (13696321).

Almost surely, 2^27392641 is an apocalyptic number.

It is an amenable number.

27392641 is a deficient number, since it is larger than the sum of its proper divisors (1).

27392641 is an equidigital number, since it uses as much as digits as its factorization.

27392641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 27392641 is about 5233.7979517746. The cubic root of 27392641 is about 301.4472330872.

The spelling of 27392641 in words is "twenty-seven million, three hundred ninety-two thousand, six hundred forty-one".