744546 has 32 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 217280.

The previous prime is 744539. The next prime is 744547. The reversal of 744546 is 645447.

744546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×744546² = 1108697492232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744547) 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, 1720 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2⁷⁴⁴⁵⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842400).

744546 is an abundant number, since it is smaller than the sum of its proper divisors (940254).

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

744546 is a wasteful number, since it uses less digits than its factorization.

744546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its digits is 13440, while the sum is 30.

The square root of 744546 is about 862.8707898637. The cubic root of 744546 is about 90.6352586088.

Subtracting from 744546 its reverse (645447), we obtain a palindrome (99099).

The spelling of 744546 in words is "seven hundred forty-four thousand, five hundred forty-six".