743928869 has 8 divisors (see below), whose sum is σ = 783500640. Its totient is φ = 704398896.

The previous prime is 743928863. The next prime is 743928923. The reversal of 743928869 is 968829347.

It is a happy number.

743928869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 743928869 - 2⁸ = 743928613 is a prime.

It is a super-2 number, since 2×743928869² = 1106860324263238322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743928863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30179 + ... + 48975.

It is an arithmetic number, because the mean of its divisors is an integer number (97937580).

Almost surely, 2^743928869 is an apocalyptic number.

It is an amenable number.

743928869 is a deficient number, since it is larger than the sum of its proper divisors (39571771).

743928869 is a wasteful number, since it uses less digits than its factorization.

743928869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20899.

The product of its digits is 5225472, while the sum is 56.

The square root of 743928869 is about 27275.0594683128. The cubic root of 743928869 is about 906.1021010550.

The spelling of 743928869 in words is "seven hundred forty-three million, nine hundred twenty-eight thousand, eight hundred sixty-nine".