27732493 has 2 divisors, whose sum is σ = 27732494. Its totient is φ = 27732492.

The previous prime is 27732487. The next prime is 27732511. The reversal of 27732493 is 39423772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15468489 + 12264004 = 3933^2 + 3502^2 .

It is a cyclic number.

It is not a de Polignac number, because 27732493 - 2⁵ = 27732461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27732403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13866246 + 13866247.

It is an arithmetic number, because the mean of its divisors is an integer number (13866247).

Almost surely, 2^27732493 is an apocalyptic number.

It is an amenable number.

27732493 is a deficient number, since it is larger than the sum of its proper divisors (1).

27732493 is an equidigital number, since it uses as much as digits as its factorization.

27732493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 37.

The square root of 27732493 is about 5266.1649233574. The cubic root of 27732493 is about 302.6887668198.

The spelling of 27732493 in words is "twenty-seven million, seven hundred thirty-two thousand, four hundred ninety-three".