743079906 has 56 divisors (see below), whose sum is σ = 1743903360. Its totient is φ = 236913336.

The previous prime is 743079871. The next prime is 743079913. The reversal of 743079906 is 609970347.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 22455 + ... + 44613.

Almost surely, 2^743079906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743079906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871951680).

743079906 is an abundant number, since it is smaller than the sum of its proper divisors (1000823454).

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

743079906 is a wasteful number, since it uses less digits than its factorization.

743079906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22202 (or 22187 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 743079906 is about 27259.4920348858. The cubic root of 743079906 is about 905.7572921204.

The spelling of 743079906 in words is "seven hundred forty-three million, seventy-nine thousand, nine hundred six".