743469909 has 16 divisors (see below), whose sum is σ = 1220053632. Its totient is φ = 392159808.

The previous prime is 743469907. The next prime is 743469929. The reversal of 743469909 is 909964347.

It is not a de Polignac number, because 743469909 - 2¹ = 743469907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743469901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361394 + ... + 1361939.

It is an arithmetic number, because the mean of its divisors is an integer number (76253352).

Almost surely, 2^743469909 is an apocalyptic number.

It is an amenable number.

743469909 is a deficient number, since it is larger than the sum of its proper divisors (476583723).

743469909 is a wasteful number, since it uses less digits than its factorization.

743469909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723356.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 743469909 is about 27266.6446230555. The cubic root of 743469909 is about 905.9157256329.

It can be divided in two parts, 74346 and 9909, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 743469909 in words is "seven hundred forty-three million, four hundred sixty-nine thousand, nine hundred nine".