726064 has 20 divisors (see below), whose sum is σ = 1468656. Its totient is φ = 347072.

The previous prime is 726043. The next prime is 726071. The reversal of 726064 is 460627.

It is an unprimeable number.

726064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619 + ... + 1354.

2⁷²⁶⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

726064 is an abundant number, since it is smaller than the sum of its proper divisors (742592).

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

726064 is a wasteful number, since it uses less digits than its factorization.

726064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 726064 is about 852.0938915401. The cubic root of 726064 is about 89.8790143885.

The spelling of 726064 in words is "seven hundred twenty-six thousand, sixty-four".