726725697 has 8 divisors (see below), whose sum is σ = 992601120. Its totient is φ = 472667040.

The previous prime is 726725677. The next prime is 726725719. The reversal of 726725697 is 796527627.

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

It is not a de Polignac number, because 726725697 - 2⁶ = 726725633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726725677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954047 + ... + 2954292.

It is an arithmetic number, because the mean of its divisors is an integer number (124075140).

Almost surely, 2^726725697 is an apocalyptic number.

It is an amenable number.

726725697 is a deficient number, since it is larger than the sum of its proper divisors (265875423).

726725697 is a wasteful number, since it uses less digits than its factorization.

726725697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908383.

The product of its digits is 2222640, while the sum is 51.

The square root of 726725697 is about 26957.8503779511. The cubic root of 726725697 is about 899.0630978606.

The spelling of 726725697 in words is "seven hundred twenty-six million, seven hundred twenty-five thousand, six hundred ninety-seven".