726630160 has 20 divisors (see below), whose sum is σ = 1689415308. Its totient is φ = 290652032.

The previous prime is 726630143. The next prime is 726630169. The reversal of 726630160 is 61036627.

It can be written as a sum of positive squares in 2 ways, for example, as 472801536 + 253828624 = 21744^2 + 15932^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (726630169) 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 3 ways as a sum of consecutive naturals, for example, 4541359 + ... + 4541518.

Almost surely, 2^726630160 is an apocalyptic number.

It is an amenable number.

726630160 is an abundant number, since it is smaller than the sum of its proper divisors (962785148).

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

726630160 is a wasteful number, since it uses less digits than its factorization.

726630160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082890 (or 9082884 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 726630160 is about 26956.0783497897. The cubic root of 726630160 is about 899.0236985128.

Adding to 726630160 its reverse (61036627), we get a palindrome (787666787).

The spelling of 726630160 in words is "seven hundred twenty-six million, six hundred thirty thousand, one hundred sixty".