743906 has 8 divisors (see below), whose sum is σ = 1119744. Its totient is φ = 370660.

The previous prime is 743891. The next prime is 743917. The reversal of 743906 is 609347.

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

It is a super-2 number, since 2×743906² = 1106792273672, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 431 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

2⁷⁴³⁹⁰⁶ is an apocalyptic number.

It is a pronic number, being equal to 862×863.

743906 is a deficient number, since it is larger than the sum of its proper divisors (375838).

743906 is a wasteful number, since it uses less digits than its factorization.

743906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 743906 is about 862.4998550725. The cubic root of 743906 is about 90.6092816179.

The spelling of 743906 in words is "seven hundred forty-three thousand, nine hundred six".