743408 has 20 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 367104.

The previous prime is 743401. The next prime is 743423. The reversal of 743408 is 804347.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 743408.

It is not an unprimeable number, because it can be changed into a prime (743401) 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, 1313 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2⁷⁴³⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

743408 is a deficient number, since it is larger than the sum of its proper divisors (714832).

743408 is a wasteful number, since it uses less digits than its factorization.

743408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 743408 is about 862.2111110395. The cubic root of 743408 is about 90.5890579628.

The spelling of 743408 in words is "seven hundred forty-three thousand, four hundred eight".