743212944 has 120 divisors (see below), whose sum is σ = 2121562872. Its totient is φ = 242841600.

The previous prime is 743212937. The next prime is 743212979. The reversal of 743212944 is 449212347.

It can be written as a sum of positive squares in 4 ways, for example, as 346406544 + 396806400 = 18612^2 + 19920^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 743212899 and 743212908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1992342 + ... + 1992714.

Almost surely, 2^743212944 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 743212944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060781436).

743212944 is an abundant number, since it is smaller than the sum of its proper divisors (1378349928).

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

743212944 is a wasteful number, since it uses less digits than its factorization.

743212944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 616 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 743212944 is about 27261.9321398906. The cubic root of 743212944 is about 905.8113432604.

The spelling of 743212944 in words is "seven hundred forty-three million, two hundred twelve thousand, nine hundred forty-four".