744020 has 12 divisors (see below), whose sum is σ = 1562484. Its totient is φ = 297600.

The previous prime is 744019. The next prime is 744043. The reversal of 744020 is 20447.

744020 = T₄₉₅ + T₄₉₆ + ... + T₅₀₀.

744020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 611524 = 364^2 + 782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 744020.

It is a congruent number.

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, 18581 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (130207).

2⁷⁴⁴⁰²⁰ is an apocalyptic number.

It is an amenable number.

744020 is an abundant number, since it is smaller than the sum of its proper divisors (818464).

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

744020 is a wasteful number, since it uses less digits than its factorization.

744020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37210 (or 37208 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 744020 is about 862.5659395084. The cubic root of 744020 is about 90.6139098597.

Adding to 744020 its reverse (20447), we get a palindrome (764467).

The spelling of 744020 in words is "seven hundred forty-four thousand, twenty", and thus it is an iban number.