27042793 has 2 divisors, whose sum is σ = 27042794. Its totient is φ = 27042792.

The previous prime is 27042749. The next prime is 27042797. The reversal of 27042793 is 39724072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 127449 = 5188^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 27042793 - 2¹⁷ = 26911721 is a prime.

It is not a weakly prime, because it can be changed into another prime (27042797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521396 + 13521397.

It is an arithmetic number, because the mean of its divisors is an integer number (13521397).

Almost surely, 2^27042793 is an apocalyptic number.

It is an amenable number.

27042793 is a deficient number, since it is larger than the sum of its proper divisors (1).

27042793 is an equidigital number, since it uses as much as digits as its factorization.

27042793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 27042793 is about 5200.2685507577. The cubic root of 27042793 is about 300.1584089332.

The spelling of 27042793 in words is "twenty-seven million, forty-two thousand, seven hundred ninety-three".