726205936 has 20 divisors (see below), whose sum is σ = 1455543000. Its totient is φ = 350581952.

The previous prime is 726205903. The next prime is 726205951. The reversal of 726205936 is 639502627.

It is a super-2 number, since 2×726205936² = 1054750122963272192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782086 + ... + 783013.

It is an arithmetic number, because the mean of its divisors is an integer number (72777150).

Almost surely, 2^726205936 is an apocalyptic number.

It is an amenable number.

726205936 is an abundant number, since it is smaller than the sum of its proper divisors (729337064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726205936 is a wasteful number, since it uses less digits than its factorization.

726205936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565136 (or 1565130 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 726205936 is about 26948.2084005598. The cubic root of 726205936 is about 898.8487073020.

The spelling of 726205936 in words is "seven hundred twenty-six million, two hundred five thousand, nine hundred thirty-six".