726972269 has 2 divisors, whose sum is σ = 726972270. Its totient is φ = 726972268.

The previous prime is 726972199. The next prime is 726972313. The reversal of 726972269 is 962279627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715830025 + 11142244 = 26755^2 + 3338^2 .

It is a cyclic number.

It is not a de Polignac number, because 726972269 - 2¹² = 726968173 is a prime.

It is a super-2 number, since 2×726972269² = 1056977359790016722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726975269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363486134 + 363486135.

It is an arithmetic number, because the mean of its divisors is an integer number (363486135).

Almost surely, 2^726972269 is an apocalyptic number.

It is an amenable number.

726972269 is a deficient number, since it is larger than the sum of its proper divisors (1).

726972269 is an equidigital number, since it uses as much as digits as its factorization.

726972269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 726972269 is about 26962.4232775914. The cubic root of 726972269 is about 899.1647679130.

The spelling of 726972269 in words is "seven hundred twenty-six million, nine hundred seventy-two thousand, two hundred sixty-nine".