743943434 has 16 divisors (see below), whose sum is σ = 1221458280. Its totient is φ = 337728960.

The previous prime is 743943419. The next prime is 743943437. The reversal of 743943434 is 434349347.

743943434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 151167025 + 592776409 = 12295^2 + 24347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 743943391 and 743943400.

It is not an unprimeable number, because it can be changed into a prime (743943437) 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, 232949 + ... + 236120.

Almost surely, 2^743943434 is an apocalyptic number.

743943434 is a deficient number, since it is larger than the sum of its proper divisors (477514846).

743943434 is a wasteful number, since it uses less digits than its factorization.

743943434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469145.

The product of its digits is 435456, while the sum is 41.

The square root of 743943434 is about 27275.3264691736. The cubic root of 743943434 is about 906.1080143851.

The spelling of 743943434 in words is "seven hundred forty-three million, nine hundred forty-three thousand, four hundred thirty-four".