743341421 has 8 divisors (see below), whose sum is σ = 751470720. Its totient is φ = 735229872.

The previous prime is 743341397. The next prime is 743341429. The reversal of 743341421 is 124143347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 743341421 - 2¹⁸ = 743079277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743341429) 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, 90731 + ... + 98583.

It is an arithmetic number, because the mean of its divisors is an integer number (93933840).

Almost surely, 2^743341421 is an apocalyptic number.

It is an amenable number.

743341421 is a deficient number, since it is larger than the sum of its proper divisors (8129299).

743341421 is a wasteful number, since it uses less digits than its factorization.

743341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875.

The product of its digits is 8064, while the sum is 29.

The square root of 743341421 is about 27264.2883824244. The cubic root of 743341421 is about 905.8635352195.

Adding to 743341421 its reverse (124143347), we get a palindrome (867484768).

The spelling of 743341421 in words is "seven hundred forty-three million, three hundred forty-one thousand, four hundred twenty-one".