727421351 has 2 divisors, whose sum is σ = 727421352. Its totient is φ = 727421350.

The previous prime is 727421339. The next prime is 727421353. The reversal of 727421351 is 153124727.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-727421351 is a prime.

Together with 727421353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727421353) 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, 363710675 + 363710676.

It is an arithmetic number, because the mean of its divisors is an integer number (363710676).

Almost surely, 2^727421351 is an apocalyptic number.

727421351 is a deficient number, since it is larger than the sum of its proper divisors (1).

727421351 is an equidigital number, since it uses as much as digits as its factorization.

727421351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 727421351 is about 26970.7499154176. The cubic root of 727421351 is about 899.3498807021.

The spelling of 727421351 in words is "seven hundred twenty-seven million, four hundred twenty-one thousand, three hundred fifty-one".