726750 has 96 divisors (see below), whose sum is σ = 2190240. Its totient is φ = 172800.

The previous prime is 726707. The next prime is 726751. The reversal of 726750 is 57627.

726750 = 68² + 69² + ... + 135².

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38241 + ... + 38259.

It is an arithmetic number, because the mean of its divisors is an integer number (22815).

2⁷²⁶⁷⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095120).

726750 is an abundant number, since it is smaller than the sum of its proper divisors (1463490).

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

726750 is a wasteful number, since it uses less digits than its factorization.

726750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 726750 is about 852.4963343030. The cubic root of 726750 is about 89.9073119839.

The spelling of 726750 in words is "seven hundred twenty-six thousand, seven hundred fifty".