743990990 has 8 divisors (see below), whose sum is σ = 1339183800. Its totient is φ = 297596392.

The previous prime is 743990971. The next prime is 743990993. The reversal of 743990990 is 99099347.

743990990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743990993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37199540 + ... + 37199559.

It is an arithmetic number, because the mean of its divisors is an integer number (167397975).

Almost surely, 2^743990990 is an apocalyptic number.

743990990 is a deficient number, since it is larger than the sum of its proper divisors (595192810).

743990990 is a wasteful number, since it uses less digits than its factorization.

743990990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74399106.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 743990990 is about 27276.1982321584. The cubic root of 743990990 is about 906.1273213883.

The spelling of 743990990 in words is "seven hundred forty-three million, nine hundred ninety thousand, nine hundred ninety".