726055770 has 128 divisors (see below), whose sum is σ = 1959552000. Its totient is φ = 170677760.

The previous prime is 726055769. The next prime is 726055777. The reversal of 726055770 is 77550627.

It is not an unprimeable number, because it can be changed into a prime (726055777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1732621 + ... + 1733039.

It is an arithmetic number, because the mean of its divisors is an integer number (15309000).

Almost surely, 2^726055770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726055770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979776000).

726055770 is an abundant number, since it is smaller than the sum of its proper divisors (1233496230).

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

726055770 is a wasteful number, since it uses less digits than its factorization.

726055770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 726055770 is about 26945.4220601571. The cubic root of 726055770 is about 898.7867479170.

It can be divided in two parts, 7260557 and 70, that added together give a palindrome (7260627).

The spelling of 726055770 in words is "seven hundred twenty-six million, fifty-five thousand, seven hundred seventy".