743660216 has 32 divisors (see below), whose sum is σ = 1508782800. Its totient is φ = 341591040.

The previous prime is 743660161. The next prime is 743660221. The reversal of 743660216 is 612066347.

743660216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×743660216² = 1106061033722333312, which contains 22 as substring.

It is a congruent number.

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, 5000 + ... + 38888.

Almost surely, 2^743660216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743660216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754391400).

743660216 is an abundant number, since it is smaller than the sum of its proper divisors (765122584).

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

743660216 is a wasteful number, since it uses less digits than its factorization.

743660216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34119 (or 34115 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 743660216 is about 27270.1341397508. The cubic root of 743660216 is about 905.9930151973.

The spelling of 743660216 in words is "seven hundred forty-three million, six hundred sixty thousand, two hundred sixteen".