727427 has 2 divisors, whose sum is σ = 727428. Its totient is φ = 727426.

The previous prime is 727409. The next prime is 727451. The reversal of 727427 is 724727.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-727427 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 727427.

It is not a weakly prime, because it can be changed into another prime (727487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363713 + 363714.

It is an arithmetic number, because the mean of its divisors is an integer number (363714).

2⁷²⁷⁴²⁷ is an apocalyptic number.

727427 is a deficient number, since it is larger than the sum of its proper divisors (1).

727427 is an equidigital number, since it uses as much as digits as its factorization.

727427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5488, while the sum is 29.

The square root of 727427 is about 852.8933110302. The cubic root of 727427 is about 89.9352208750.

The spelling of 727427 in words is "seven hundred twenty-seven thousand, four hundred twenty-seven", and thus it is an iban number.