743722668 has 192 divisors, whose sum is σ = 2163589120. Its totient is φ = 219469824.

The previous prime is 743722667. The next prime is 743722673. The reversal of 743722668 is 866227347.

It is not an unprimeable number, because it can be changed into a prime (743722667) 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, 5856021 + ... + 5856147.

Almost surely, 2^743722668 is an apocalyptic number.

743722668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743722668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081794560).

743722668 is an abundant number, since it is smaller than the sum of its proper divisors (1419866452).

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

743722668 is a wasteful number, since it uses less digits than its factorization.

743722668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 285 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 743722668 is about 27271.2791779190. The cubic root of 743722668 is about 906.0183760143.

The spelling of 743722668 in words is "seven hundred forty-three million, seven hundred twenty-two thousand, six hundred sixty-eight".