744522 has 8 divisors (see below), whose sum is σ = 1489056. Its totient is φ = 248172.

The previous prime is 744511. The next prime is 744539. The reversal of 744522 is 225447.

744522 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.

744522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 744492 and 744501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62038 + ... + 62049.

It is an arithmetic number, because the mean of its divisors is an integer number (186132).

2⁷⁴⁴⁵²² is an apocalyptic number.

744522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

744522 is a wasteful number, since it uses less digits than its factorization.

744522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124092.

The product of its digits is 2240, while the sum is 24.

The square root of 744522 is about 862.8568826868. The cubic root of 744522 is about 90.6342847404.

Adding to 744522 its reverse (225447), we get a palindrome (969969).

The spelling of 744522 in words is "seven hundred forty-four thousand, five hundred twenty-two".