726329847 has 4 divisors (see below), whose sum is σ = 968439800. Its totient is φ = 484219896.

The previous prime is 726329839. The next prime is 726329881. The reversal of 726329847 is 748923627.

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

It is not a de Polignac number, because 726329847 - 2³ = 726329839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726329796 and 726329805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726329827) 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, 121054972 + ... + 121054977.

It is an arithmetic number, because the mean of its divisors is an integer number (242109950).

Almost surely, 2^726329847 is an apocalyptic number.

726329847 is a deficient number, since it is larger than the sum of its proper divisors (242109953).

726329847 is a wasteful number, since it uses less digits than its factorization.

726329847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242109952.

The product of its digits is 1016064, while the sum is 48.

The square root of 726329847 is about 26950.5073607159. The cubic root of 726329847 is about 898.8998272863.

The spelling of 726329847 in words is "seven hundred twenty-six million, three hundred twenty-nine thousand, eight hundred forty-seven".