726945263 has 16 divisors (see below), whose sum is σ = 842899200. Its totient is φ = 619980480.

The previous prime is 726945259. The next prime is 726945269. The reversal of 726945263 is 362549627.

It is a cyclic number.

It is not a de Polignac number, because 726945263 - 2² = 726945259 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726945269) 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, 4643 + ... + 38411.

It is an arithmetic number, because the mean of its divisors is an integer number (52681200).

Almost surely, 2^726945263 is an apocalyptic number.

726945263 is a deficient number, since it is larger than the sum of its proper divisors (115953937).

726945263 is a wasteful number, since it uses less digits than its factorization.

726945263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33902.

The product of its digits is 544320, while the sum is 44.

The square root of 726945263 is about 26961.9224648392. The cubic root of 726945263 is about 899.1536335385.

The spelling of 726945263 in words is "seven hundred twenty-six million, nine hundred forty-five thousand, two hundred sixty-three".