726264407 has 8 divisors (see below), whose sum is σ = 794575872. Its totient is φ = 658334200.

The previous prime is 726264401. The next prime is 726264419. The reversal of 726264407 is 704462627.

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 726264407 - 2²² = 722070103 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 (726264401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91319 + ... + 98952.

It is an arithmetic number, because the mean of its divisors is an integer number (99321984).

Almost surely, 2^726264407 is an apocalyptic number.

726264407 is a deficient number, since it is larger than the sum of its proper divisors (68311465).

726264407 is a wasteful number, since it uses less digits than its factorization.

726264407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190629.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 726264407 is about 26949.2932560392. The cubic root of 726264407 is about 898.8728304741.

The spelling of 726264407 in words is "seven hundred twenty-six million, two hundred sixty-four thousand, four hundred seven".