727468891 has 2 divisors, whose sum is σ = 727468892. Its totient is φ = 727468890.

The previous prime is 727468853. The next prime is 727468901. The reversal of 727468891 is 198864727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 727468891 - 2²¹ = 725371739 is a prime.

It is not a weakly prime, because it can be changed into another prime (727468691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363734445 + 363734446.

It is an arithmetic number, because the mean of its divisors is an integer number (363734446).

Almost surely, 2^727468891 is an apocalyptic number.

727468891 is a deficient number, since it is larger than the sum of its proper divisors (1).

727468891 is an equidigital number, since it uses as much as digits as its factorization.

727468891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 52.

The square root of 727468891 is about 26971.6312261606. The cubic root of 727468891 is about 899.3694723559.

The spelling of 727468891 in words is "seven hundred twenty-seven million, four hundred sixty-eight thousand, eight hundred ninety-one".