743609216 has 48 divisors (see below), whose sum is σ = 1694899320. Its totient is φ = 318339840.

The previous prime is 743609203. The next prime is 743609263. The reversal of 743609216 is 612906347.

It is a super-2 number, since 2×743609216² = 1105909332240269312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 743609216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 815801 + ... + 816711.

Almost surely, 2^743609216 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 743609216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847449660).

743609216 is an abundant number, since it is smaller than the sum of its proper divisors (951290104).

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

743609216 is an frugal number, since it uses more digits than its factorization.

743609216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 743609216 is about 27269.1990348085. The cubic root of 743609216 is about 905.9723038118.

The spelling of 743609216 in words is "seven hundred forty-three million, six hundred nine thousand, two hundred sixteen".