726289155076 has 81 divisors (see below), whose sum is σ = 1377455656437. Its totient is φ = 335027085120.

The previous prime is 726289155071. The next prime is 726289155079. The reversal of 726289155076 is 670551982627.

The square root of 726289155076 is 852226.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34996681476 + 691292473600 = 187074^2 + 831440^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 726289155076.

It is not an unprimeable number, because it can be changed into a prime (726289155071) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 1327767835 + ... + 1327768381.

Almost surely, 2^726289155076 is an apocalyptic number.

726289155076 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

726289155076 is the 852226-th square number.

It is an amenable number.

726289155076 is a deficient number, since it is larger than the sum of its proper divisors (651166501361).

726289155076 is an equidigital number, since it uses as much as digits as its factorization.

726289155076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 726289155076 in words is "seven hundred twenty-six billion, two hundred eighty-nine million, one hundred fifty-five thousand, seventy-six".