727057213 has 2 divisors, whose sum is σ = 727057214. Its totient is φ = 727057212.

The previous prime is 727057183. The next prime is 727057217. The reversal of 727057213 is 312750727.

It is a happy number.

727057213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585494809 + 141562404 = 24197^2 + 11898^2 .

It is a cyclic number.

It is not a de Polignac number, because 727057213 - 2⁵ = 727057181 is a prime.

It is a super-2 number, since 2×727057213² = 1057224381950654738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727057217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363528606 + 363528607.

It is an arithmetic number, because the mean of its divisors is an integer number (363528607).

Almost surely, 2^727057213 is an apocalyptic number.

It is an amenable number.

727057213 is a deficient number, since it is larger than the sum of its proper divisors (1).

727057213 is an equidigital number, since it uses as much as digits as its factorization.

727057213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 727057213 is about 26963.9984609108. The cubic root of 727057213 is about 899.1997878996.

The spelling of 727057213 in words is "seven hundred twenty-seven million, fifty-seven thousand, two hundred thirteen".