744012020 has 24 divisors (see below), whose sum is σ = 1563748200. Its totient is φ = 297352832.

The previous prime is 744011999. The next prime is 744012037. The reversal of 744012020 is 20210447.

744012020 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 4 ways, for example, as 409414756 + 334597264 = 20234^2 + 18292^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 744011983 and 744012001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9446 + ... + 39714.

It is an arithmetic number, because the mean of its divisors is an integer number (65156175).

Almost surely, 2^744012020 is an apocalyptic number.

It is an amenable number.

744012020 is an abundant number, since it is smaller than the sum of its proper divisors (819736180).

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

744012020 is a wasteful number, since it uses less digits than its factorization.

744012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31507 (or 31505 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 744012020 is about 27276.5837303721. The cubic root of 744012020 is about 906.1358589818.

Adding to 744012020 its reverse (20210447), we get a palindrome (764222467).

The spelling of 744012020 in words is "seven hundred forty-four million, twelve thousand, twenty".