726645063 has 16 divisors (see below), whose sum is σ = 1020424320. Its totient is φ = 458676576.

The previous prime is 726645061. The next prime is 726645077. The reversal of 726645063 is 360546627.

It is not a de Polignac number, because 726645063 - 2¹ = 726645061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726645061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195781 + ... + 199457.

It is an arithmetic number, because the mean of its divisors is an integer number (63776520).

Almost surely, 2^726645063 is an apocalyptic number.

726645063 is a deficient number, since it is larger than the sum of its proper divisors (293779257).

726645063 is a wasteful number, since it uses less digits than its factorization.

726645063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 726645063 is about 26956.3547795320. The cubic root of 726645063 is about 899.0298447200.

The spelling of 726645063 in words is "seven hundred twenty-six million, six hundred forty-five thousand, sixty-three".