726664452 has 48 divisors (see below), whose sum is σ = 1734597312. Its totient is φ = 236695680.

The previous prime is 726664451. The next prime is 726664469. The reversal of 726664452 is 254466627.

It is not an unprimeable number, because it can be changed into a prime (726664451) 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, 111763 + ... + 118085.

It is an arithmetic number, because the mean of its divisors is an integer number (36137444).

Almost surely, 2^726664452 is an apocalyptic number.

It is an amenable number.

726664452 is an abundant number, since it is smaller than the sum of its proper divisors (1007932860).

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

726664452 is a wasteful number, since it uses less digits than its factorization.

726664452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548 (or 6546 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 726664452 is about 26956.7144140379. The cubic root of 726664452 is about 899.0378408911.

The spelling of 726664452 in words is "seven hundred twenty-six million, six hundred sixty-four thousand, four hundred fifty-two".