726673583 has 2 divisors, whose sum is σ = 726673584. Its totient is φ = 726673582.

The previous prime is 726673567. The next prime is 726673589. The reversal of 726673583 is 385376627.

It is a strong prime.

It is an emirp because it is prime and its reverse (385376627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726673583 - 2⁴ = 726673567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726673589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363336791 + 363336792.

It is an arithmetic number, because the mean of its divisors is an integer number (363336792).

Almost surely, 2^726673583 is an apocalyptic number.

726673583 is a deficient number, since it is larger than the sum of its proper divisors (1).

726673583 is an equidigital number, since it uses as much as digits as its factorization.

726673583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 47.

The square root of 726673583 is about 26956.8837776179. The cubic root of 726673583 is about 899.0416065356.

The spelling of 726673583 in words is "seven hundred twenty-six million, six hundred seventy-three thousand, five hundred eighty-three".