726666752 has 40 divisors (see below), whose sum is σ = 1659338736. Its totient is φ = 311427072.

The previous prime is 726666749. The next prime is 726666763. The reversal of 726666752 is 257666627.

It is a junction number, because it is equal to n+sod(n) for n = 726666697 and 726666706.

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, 97793 + ... + 104960.

Almost surely, 2^726666752 is an apocalyptic number.

It is an amenable number.

726666752 is an abundant number, since it is smaller than the sum of its proper divisors (932671984).

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

726666752 is an equidigital number, since it uses as much as digits as its factorization.

726666752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202778 (or 202762 counting only the distinct ones).

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

The square root of 726666752 is about 26956.7570749896. The cubic root of 726666752 is about 899.0387894191.

The spelling of 726666752 in words is "seven hundred twenty-six million, six hundred sixty-six thousand, seven hundred fifty-two".