726450 has 48 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 185920.

The previous prime is 726431. The next prime is 726457. The reversal of 726450 is 54627.

It is a happy number.

726450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 726450.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4267 + ... + 4433.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁷²⁶⁴⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

726450 is an abundant number, since it is smaller than the sum of its proper divisors (1148430).

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

726450 is a wasteful number, since it uses less digits than its factorization.

726450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 726450 is about 852.3203623052. The cubic root of 726450 is about 89.8949391341.

It can be divided in two parts, 726 and 450, that added together give a triangular number (1176 = T₄₈).

The spelling of 726450 in words is "seven hundred twenty-six thousand, four hundred fifty".