726949727 has 4 divisors (see below), whose sum is σ = 830799696. Its totient is φ = 623099760.

The previous prime is 726949723. The next prime is 726949739. The reversal of 726949727 is 727949627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726949727 - 2² = 726949723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726949723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51924974 + ... + 51924987.

It is an arithmetic number, because the mean of its divisors is an integer number (207699924).

Almost surely, 2^726949727 is an apocalyptic number.

726949727 is a deficient number, since it is larger than the sum of its proper divisors (103849969).

726949727 is a wasteful number, since it uses less digits than its factorization.

726949727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103849968.

The product of its digits is 2667168, while the sum is 53.

The square root of 726949727 is about 26962.0052481265. The cubic root of 726949727 is about 899.1554740318.

The spelling of 726949727 in words is "seven hundred twenty-six million, nine hundred forty-nine thousand, seven hundred twenty-seven".