743994 has 12 divisors (see below), whose sum is σ = 1612026. Its totient is φ = 247992.

The previous prime is 743989. The next prime is 744019. The reversal of 743994 is 499347.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 288369 = 675^2 + 537^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 743994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20649 + ... + 20684.

2⁷⁴³⁹⁹⁴ is an apocalyptic number.

743994 is an abundant number, since it is smaller than the sum of its proper divisors (868032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743994 is a wasteful number, since it uses less digits than its factorization.

743994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41341 (or 41338 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 743994 is about 862.5508680652. The cubic root of 743994 is about 90.6128543374.

The spelling of 743994 in words is "seven hundred forty-three thousand, nine hundred ninety-four".