743404663 has 8 divisors (see below), whose sum is σ = 751407488. Its totient is φ = 735417144.

The previous prime is 743404637. The next prime is 743404693. The reversal of 743404663 is 366404347.

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

It is a 3-Lehmer number, since φ(743404663) divides (743404663-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 743404663 - 2¹³ = 743396471 is a prime.

It is a deceptive number, since it divides R_743404662.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743404603) 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, 112456 + ... + 118882.

It is an arithmetic number, because the mean of its divisors is an integer number (93925936).

It is a Poulet number, since it divides 2^743404662-1.

Almost surely, 2^743404663 is an apocalyptic number.

743404663 is a deficient number, since it is larger than the sum of its proper divisors (8002825).

743404663 is a wasteful number, since it uses less digits than its factorization.

743404663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 145152, while the sum is 37.

The square root of 743404663 is about 27265.4481532947. The cubic root of 743404663 is about 905.8892241763.

It can be divided in two parts, 74340 and 4663, that added together give a triangular number (79003 = T₃₉₇).

The spelling of 743404663 in words is "seven hundred forty-three million, four hundred four thousand, six hundred sixty-three".