727222313 has 4 divisors (see below), whose sum is σ = 727321728. Its totient is φ = 727122900.

The previous prime is 727222291. The next prime is 727222319. The reversal of 727222313 is 313222727.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 727222313 - 2⁸ = 727222057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727222319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37781 + ... + 53682.

It is an arithmetic number, because the mean of its divisors is an integer number (181830432).

Almost surely, 2^727222313 is an apocalyptic number.

It is an amenable number.

727222313 is a deficient number, since it is larger than the sum of its proper divisors (99415).

727222313 is an equidigital number, since it uses as much as digits as its factorization.

727222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99414.

The product of its digits is 7056, while the sum is 29.

The square root of 727222313 is about 26967.0597766979. The cubic root of 727222313 is about 899.2678461150.

The spelling of 727222313 in words is "seven hundred twenty-seven million, two hundred twenty-two thousand, three hundred thirteen".