727361057 has 2 divisors, whose sum is σ = 727361058. Its totient is φ = 727361056.

The previous prime is 727361053. The next prime is 727361083. The reversal of 727361057 is 750163727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706283776 + 21077281 = 26576^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 727361057 - 2² = 727361053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 727361057.

It is not a weakly prime, because it can be changed into another prime (727361051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363680528 + 363680529.

It is an arithmetic number, because the mean of its divisors is an integer number (363680529).

Almost surely, 2^727361057 is an apocalyptic number.

It is an amenable number.

727361057 is a deficient number, since it is larger than the sum of its proper divisors (1).

727361057 is an equidigital number, since it uses as much as digits as its factorization.

727361057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 727361057 is about 26969.6321257818. The cubic root of 727361057 is about 899.3250317843.

The spelling of 727361057 in words is "seven hundred twenty-seven million, three hundred sixty-one thousand, fifty-seven".