743345730 has 96 divisors (see below), whose sum is σ = 1986716160. Its totient is φ = 192729600.

The previous prime is 743345677. The next prime is 743345731. The reversal of 743345730 is 37543347.

It is not an unprimeable number, because it can be changed into a prime (743345731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1551631 + ... + 1552109.

It is an arithmetic number, because the mean of its divisors is an integer number (20694960).

Almost surely, 2^743345730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743345730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993358080).

743345730 is an abundant number, since it is smaller than the sum of its proper divisors (1243370430).

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

743345730 is a wasteful number, since it uses less digits than its factorization.

743345730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

The square root of 743345730 is about 27264.3674050949. The cubic root of 743345730 is about 905.8652855854.

The spelling of 743345730 in words is "seven hundred forty-three million, three hundred forty-five thousand, seven hundred thirty".