726807849 has 4 divisors (see below), whose sum is σ = 969077136. Its totient is φ = 484538564.

The previous prime is 726807833. The next prime is 726807877. The reversal of 726807849 is 948708627.

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 726807849 - 2⁴ = 726807833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726807649) 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, 121134639 + ... + 121134644.

It is an arithmetic number, because the mean of its divisors is an integer number (242269284).

Almost surely, 2^726807849 is an apocalyptic number.

It is an amenable number.

726807849 is a deficient number, since it is larger than the sum of its proper divisors (242269287).

726807849 is a wasteful number, since it uses less digits than its factorization.

726807849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242269286.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 726807849 is about 26959.3740468877. The cubic root of 726807849 is about 899.0969744888.

The spelling of 726807849 in words is "seven hundred twenty-six million, eight hundred seven thousand, eight hundred forty-nine".