743606349 has 4 divisors (see below), whose sum is σ = 991475136. Its totient is φ = 495737564.

The previous prime is 743606341. The next prime is 743606351. The reversal of 743606349 is 943606347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 743606349 - 2³ = 743606341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 743606349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743606341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123934389 + ... + 123934394.

It is an arithmetic number, because the mean of its divisors is an integer number (247868784).

Almost surely, 2^743606349 is an apocalyptic number.

It is an amenable number.

743606349 is a deficient number, since it is larger than the sum of its proper divisors (247868787).

743606349 is a wasteful number, since it uses less digits than its factorization.

743606349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247868786.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 743606349 is about 27269.1464662904. The cubic root of 743606349 is about 905.9711394790.

The spelling of 743606349 in words is "seven hundred forty-three million, six hundred six thousand, three hundred forty-nine".