27368947 has 2 divisors, whose sum is σ = 27368948. Its totient is φ = 27368946.

The previous prime is 27368927. The next prime is 27368951. The reversal of 27368947 is 74986372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27368947 - 2⁷ = 27368819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27368897 and 27368906.

It is not a weakly prime, because it can be changed into another prime (27368917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13684473 + 13684474.

It is an arithmetic number, because the mean of its divisors is an integer number (13684474).

Almost surely, 2^27368947 is an apocalyptic number.

27368947 is a deficient number, since it is larger than the sum of its proper divisors (1).

27368947 is an equidigital number, since it uses as much as digits as its factorization.

27368947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 27368947 is about 5231.5339050798. The cubic root of 27368947 is about 301.3602930572.

Subtracting from 27368947 its sum of digits (46), we obtain a triangular number (27368901 = T₇₃₉₈).

The spelling of 27368947 in words is "twenty-seven million, three hundred sixty-eight thousand, nine hundred forty-seven".