726834740 has 48 divisors (see below), whose sum is σ = 1610716800. Its totient is φ = 274741632.

The previous prime is 726834733. The next prime is 726834749. The reversal of 726834740 is 47438627.

726834740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726834749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164642 + ... + 168998.

It is an arithmetic number, because the mean of its divisors is an integer number (33556600).

Almost surely, 2^726834740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726834740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805358400).

726834740 is an abundant number, since it is smaller than the sum of its proper divisors (883882060).

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

726834740 is a wasteful number, since it uses less digits than its factorization.

726834740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824 (or 4822 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 726834740 is about 26959.8727741805. The cubic root of 726834740 is about 899.1080628475.

The spelling of 726834740 in words is "seven hundred twenty-six million, eight hundred thirty-four thousand, seven hundred forty".