726705752 has 16 divisors (see below), whose sum is σ = 1399400160. Its totient is φ = 353532384.

The previous prime is 726705739. The next prime is 726705767. The reversal of 726705752 is 257507627.

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, 1227248 + ... + 1227839.

It is an arithmetic number, because the mean of its divisors is an integer number (87462510).

Almost surely, 2^726705752 is an apocalyptic number.

It is an amenable number.

726705752 is a deficient number, since it is larger than the sum of its proper divisors (672694408).

726705752 is a wasteful number, since it uses less digits than its factorization.

726705752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455130 (or 2455126 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 726705752 is about 26957.4804460654. The cubic root of 726705752 is about 899.0548728510.

The spelling of 726705752 in words is "seven hundred twenty-six million, seven hundred five thousand, seven hundred fifty-two".