743426 has 8 divisors (see below), whose sum is σ = 1119504. Its totient is φ = 370260.

The previous prime is 743423. The next prime is 743447. The reversal of 743426 is 624347.

It is a happy number.

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

It is a d-powerful number, because it can be written as 7⁵ + 4⁵ + 4⁷ + 3¹¹ + 2¹⁹ + 6⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 743395 and 743404.

It is not an unprimeable number, because it can be changed into a prime (743423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (139938).

2⁷⁴³⁴²⁶ is an apocalyptic number.

743426 is a deficient number, since it is larger than the sum of its proper divisors (376078).

743426 is a wasteful number, since it uses less digits than its factorization.

743426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its digits is 4032, while the sum is 26.

The square root of 743426 is about 862.2215492552. The cubic root of 743426 is about 90.5897890956.

The spelling of 743426 in words is "seven hundred forty-three thousand, four hundred twenty-six".