727048657 has 2 divisors, whose sum is σ = 727048658. Its totient is φ = 727048656.

The previous prime is 727048643. The next prime is 727048697. The reversal of 727048657 is 756840727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655155216 + 71893441 = 25596^2 + 8479^2 .

It is a cyclic number.

It is not a de Polignac number, because 727048657 - 2¹⁵ = 727015889 is a prime.

It is not a weakly prime, because it can be changed into another prime (727048697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363524328 + 363524329.

It is an arithmetic number, because the mean of its divisors is an integer number (363524329).

Almost surely, 2^727048657 is an apocalyptic number.

It is an amenable number.

727048657 is a deficient number, since it is larger than the sum of its proper divisors (1).

727048657 is an equidigital number, since it uses as much as digits as its factorization.

727048657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658560, while the sum is 46.

The square root of 727048657 is about 26963.8398044492. The cubic root of 727048657 is about 899.1962606285.

The spelling of 727048657 in words is "seven hundred twenty-seven million, forty-eight thousand, six hundred fifty-seven".