27474413 has 2 divisors, whose sum is σ = 27474414. Its totient is φ = 27474412.

The previous prime is 27474409. The next prime is 27474427. The reversal of 27474413 is 31447472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26399044 + 1075369 = 5138^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 27474413 - 2² = 27474409 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27474413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27474113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13737206 + 13737207.

It is an arithmetic number, because the mean of its divisors is an integer number (13737207).

Almost surely, 2^27474413 is an apocalyptic number.

It is an amenable number.

27474413 is a deficient number, since it is larger than the sum of its proper divisors (1).

27474413 is an equidigital number, since it uses as much as digits as its factorization.

27474413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 32.

The square root of 27474413 is about 5241.6040483806. The cubic root of 27474413 is about 301.7468933203.

The spelling of 27474413 in words is "twenty-seven million, four hundred seventy-four thousand, four hundred thirteen".