743622216720 has 40 divisors (see below), whose sum is σ = 2305228872576. Its totient is φ = 198299257728.

The previous prime is 743622216719. The next prime is 743622216751. The reversal of 743622216720 is 27612226347.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549212712 + ... + 1549213191.

Almost surely, 2^743622216720 is an apocalyptic number.

It is an amenable number.

743622216720 is an abundant number, since it is smaller than the sum of its proper divisors (1561606655856).

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

743622216720 is a wasteful number, since it uses less digits than its factorization.

743622216720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098425919 (or 3098425913 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 743622216720 in words is "seven hundred forty-three billion, six hundred twenty-two million, two hundred sixteen thousand, seven hundred twenty".