743068913 has 4 divisors (see below), whose sum is σ = 743428068. Its totient is φ = 742709760.

The previous prime is 743068847. The next prime is 743068933. The reversal of 743068913 is 319860347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 319860347 = 2251 ⋅142097.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 658281649 = 9208^2 + 25657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743068913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743068933) 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, 176456 + ... + 180617.

It is an arithmetic number, because the mean of its divisors is an integer number (185857017).

Almost surely, 2^743068913 is an apocalyptic number.

It is an amenable number.

743068913 is a deficient number, since it is larger than the sum of its proper divisors (359155).

743068913 is a wasteful number, since it uses less digits than its factorization.

743068913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359154.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 743068913 is about 27259.2903979542. The cubic root of 743068913 is about 905.7528255577.

The spelling of 743068913 in words is "seven hundred forty-three million, sixty-eight thousand, nine hundred thirteen".