743663 has 8 divisors (see below), whose sum is σ = 775200. Its totient is φ = 712800.

The previous prime is 743657. The next prime is 743669. The reversal of 743663 is 366347.

It is an interprime number because it is at equal distance from previous prime (743657) and next prime (743669).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743663 is a prime.

It is a Duffinian number.

743663 is a modest number, since divided by 3663 gives 74 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3638 + ... + 3836.

It is an arithmetic number, because the mean of its divisors is an integer number (96900).

2⁷⁴³⁶⁶³ is an apocalyptic number.

743663 is a deficient number, since it is larger than the sum of its proper divisors (31537).

743663 is a wasteful number, since it uses less digits than its factorization.

743663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its digits is 9072, while the sum is 29.

The square root of 743663 is about 862.3589739778. The cubic root of 743663 is about 90.5994145768.

The spelling of 743663 in words is "seven hundred forty-three thousand, six hundred sixty-three".