27713537 has 2 divisors, whose sum is σ = 27713538. Its totient is φ = 27713536.

The previous prime is 27713479. The next prime is 27713557. The reversal of 27713537 is 73531772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 1540081 = 5116^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 27713537 - 2¹⁸ = 27451393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27713497 and 27713506.

It is not a weakly prime, because it can be changed into another prime (27713557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856768 + 13856769.

It is an arithmetic number, because the mean of its divisors is an integer number (13856769).

It is a Proth number, since it is equal to 3383 ⋅ 2¹³ + 1 and 3383 < 2¹³.

Almost surely, 2^27713537 is an apocalyptic number.

It is an amenable number.

27713537 is a deficient number, since it is larger than the sum of its proper divisors (1).

27713537 is an equidigital number, since it uses as much as digits as its factorization.

27713537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30870, while the sum is 35.

The square root of 27713537 is about 5264.3648239840. The cubic root of 27713537 is about 302.6197854499.

The spelling of 27713537 in words is "twenty-seven million, seven hundred thirteen thousand, five hundred thirty-seven".