726315697 has 8 divisors (see below), whose sum is σ = 745867080. Its totient is φ = 706851840.

The previous prime is 726315691. The next prime is 726315719. The reversal of 726315697 is 796513627.

726315697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 311134321 + 415181376 = 17639^2 + 20376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726315697 - 2¹⁵ = 726282929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726315691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4888 + ... + 38425.

It is an arithmetic number, because the mean of its divisors is an integer number (93233385).

Almost surely, 2^726315697 is an apocalyptic number.

It is an amenable number.

726315697 is a deficient number, since it is larger than the sum of its proper divisors (19551383).

726315697 is a wasteful number, since it uses less digits than its factorization.

726315697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43763.

The product of its digits is 476280, while the sum is 46.

The square root of 726315697 is about 26950.2448411884. The cubic root of 726315697 is about 898.8939899406.

The spelling of 726315697 in words is "seven hundred twenty-six million, three hundred fifteen thousand, six hundred ninety-seven".