7043426 has 16 divisors (see below), whose sum is σ = 11566968. Its totient is φ = 3196800.

The previous prime is 7043411. The next prime is 7043441. The reversal of 7043426 is 6243407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7043411) and next prime (7043441).

It can be written as a sum of positive squares in 4 ways, for example, as 2399401 + 4644025 = 1549^2 + 2155^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 7043395 and 7043404.

It is an unprimeable number.

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, 635 + ... + 3806.

Almost surely, 2^7043426 is an apocalyptic number.

7043426 is a deficient number, since it is larger than the sum of its proper divisors (4523542).

7043426 is a wasteful number, since it uses less digits than its factorization.

7043426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517.

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

The square root of 7043426 is about 2653.9453649237. The cubic root of 7043426 is about 191.6878790217.

The spelling of 7043426 in words is "seven million, forty-three thousand, four hundred twenty-six".