726673588 has 12 divisors (see below), whose sum is σ = 1284270372. Its totient is φ = 359739200.

The previous prime is 726673583. The next prime is 726673589. The reversal of 726673588 is 885376627.

It can be written as a sum of positive squares in 2 ways, for example, as 709050384 + 17623204 = 26628^2 + 4198^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726673583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898945 + ... + 899752.

It is an arithmetic number, because the mean of its divisors is an integer number (107022531).

Almost surely, 2^726673588 is an apocalyptic number.

It is an amenable number.

726673588 is a deficient number, since it is larger than the sum of its proper divisors (557596784).

726673588 is a wasteful number, since it uses less digits than its factorization.

726673588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798802 (or 1798800 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 726673588 is about 26956.8838703586. The cubic root of 726673588 is about 899.0416085976.

The spelling of 726673588 in words is "seven hundred twenty-six million, six hundred seventy-three thousand, five hundred eighty-eight".