7071426 has 12 divisors (see below), whose sum is σ = 15321462. Its totient is φ = 2357136.

The previous prime is 7071413. The next prime is 7071431. The reversal of 7071426 is 6241707.

It can be written as a sum of positive squares in only one way, i.e., 4198401 + 2873025 = 2049^2 + 1695^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7071426.

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 5 ways as a sum of consecutive naturals, for example, 196411 + ... + 196446.

Almost surely, 2^7071426 is an apocalyptic number.

7071426 is an abundant number, since it is smaller than the sum of its proper divisors (8250036).

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

7071426 is a wasteful number, since it uses less digits than its factorization.

7071426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392865 (or 392862 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 7071426 is about 2659.2152977899. The cubic root of 7071426 is about 191.9415512192.

The spelling of 7071426 in words is "seven million, seventy-one thousand, four hundred twenty-six".