726481 has 8 divisors (see below), whose sum is σ = 843200. Its totient is φ = 613008.

The previous prime is 726469. The next prime is 726487. The reversal of 726481 is 184627.

726481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726481 - 2¹¹ = 724433 is a prime.

It is a super-2 number, since 2×726481² = 1055549286722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (105400).

2⁷²⁶⁴⁸¹ is an apocalyptic number.

It is an amenable number.

726481 is a deficient number, since it is larger than the sum of its proper divisors (116719).

726481 is a wasteful number, since it uses less digits than its factorization.

726481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its digits is 2688, while the sum is 28.

The square root of 726481 is about 852.3385477614. The cubic root of 726481 is about 89.8962178197.

The spelling of 726481 in words is "seven hundred twenty-six thousand, four hundred eighty-one".