743944942668 has 24 divisors (see below), whose sum is σ = 1749122464320. Its totient is φ = 246088657360.

The previous prime is 743944942661. The next prime is 743944942679. The reversal of 743944942668 is 866249449347.

743944942668 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 743944942599 and 743944942608.

It is not an unprimeable number, because it can be changed into a prime (743944942661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236622138 + ... + 236625281.

It is an arithmetic number, because the mean of its divisors is an integer number (72880102680).

Almost surely, 2^743944942668 is an apocalyptic number.

It is an amenable number.

743944942668 is an abundant number, since it is smaller than the sum of its proper divisors (1005177521652).

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

743944942668 is a wasteful number, since it uses less digits than its factorization.

743944942668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473247557 (or 473247555 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 66.

The spelling of 743944942668 in words is "seven hundred forty-three billion, nine hundred forty-four million, nine hundred forty-two thousand, six hundred sixty-eight".