726395233 has 4 divisors (see below), whose sum is σ = 729595440. Its totient is φ = 723195028.

The previous prime is 726395231. The next prime is 726395239. The reversal of 726395233 is 332593627.

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 726395233 - 2¹ = 726395231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726395231) 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, 1599763 + ... + 1600216.

It is an arithmetic number, because the mean of its divisors is an integer number (182398860).

Almost surely, 2^726395233 is an apocalyptic number.

It is an amenable number.

726395233 is a deficient number, since it is larger than the sum of its proper divisors (3200207).

726395233 is a wasteful number, since it uses less digits than its factorization.

726395233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200206.

The product of its digits is 204120, while the sum is 40.

The square root of 726395233 is about 26951.7204089090. The cubic root of 726395233 is about 898.9268002016.

The spelling of 726395233 in words is "seven hundred twenty-six million, three hundred ninety-five thousand, two hundred thirty-three".