743781116 has 12 divisors (see below), whose sum is σ = 1401741432. Its totient is φ = 343283568.

The previous prime is 743781097. The next prime is 743781131. The reversal of 743781116 is 611187347.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 743781116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151690 + ... + 7151793.

It is an arithmetic number, because the mean of its divisors is an integer number (116811786).

Almost surely, 2^743781116 is an apocalyptic number.

It is an amenable number.

743781116 is a deficient number, since it is larger than the sum of its proper divisors (657960316).

743781116 is a wasteful number, since it uses less digits than its factorization.

743781116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14303500 (or 14303498 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 743781116 is about 27272.3507604313. The cubic root of 743781116 is about 906.0421095811.

The spelling of 743781116 in words is "seven hundred forty-three million, seven hundred eighty-one thousand, one hundred sixteen".