726725763 has 24 divisors (see below), whose sum is σ = 1090289200. Its totient is φ = 483729408.

The previous prime is 726725749. The next prime is 726725789. The reversal of 726725763 is 367527627.

726725763 is a `hidden beast` number, since 7 + 2 + 6 + 72 + 576 + 3 = 666.

It is not a de Polignac number, because 726725763 - 2¹⁷ = 726594691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726725723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184923 + ... + 188811.

Almost surely, 2^726725763 is an apocalyptic number.

726725763 is a deficient number, since it is larger than the sum of its proper divisors (363563437).

726725763 is an equidigital number, since it uses as much as digits as its factorization.

726725763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 4661 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 726725763 is about 26957.8516020843. The cubic root of 726725763 is about 899.0631250777.

The spelling of 726725763 in words is "seven hundred twenty-six million, seven hundred twenty-five thousand, seven hundred sixty-three".