744303340 has 192 divisors, whose sum is σ = 1900039680. Its totient is φ = 241920000.

The previous prime is 744303337. The next prime is 744303341. The reversal of 744303340 is 43303447.

It is a junction number, because it is equal to n+sod(n) for n = 744303299 and 744303308.

It is not an unprimeable number, because it can be changed into a prime (744303341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7369290 + ... + 7369390.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2^744303340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744303340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950019840).

744303340 is an abundant number, since it is smaller than the sum of its proper divisors (1155736340).

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

744303340 is a wasteful number, since it uses less digits than its factorization.

744303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 744303340 is about 27281.9233192970. The cubic root of 744303340 is about 906.2541102311.

Adding to 744303340 its reverse (43303447), we get a palindrome (787606787).

The spelling of 744303340 in words is "seven hundred forty-four million, three hundred three thousand, three hundred forty".