726735772 has 12 divisors (see below), whose sum is σ = 1453471600. Its totient is φ = 311458176.

The previous prime is 726735767. The next prime is 726735791. The reversal of 726735772 is 277537627.

726735772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

726735772 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12977397 + ... + 12977452.

Almost surely, 2^726735772 is an apocalyptic number.

It is an amenable number.

726735772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

726735772 is a wasteful number, since it uses less digits than its factorization.

726735772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25954860 (or 25954858 counting only the distinct ones).

The product of its digits is 864360, while the sum is 46.

The square root of 726735772 is about 26958.0372430932. The cubic root of 726735772 is about 899.0672525776.

The spelling of 726735772 in words is "seven hundred twenty-six million, seven hundred thirty-five thousand, seven hundred seventy-two".