7530426 has 12 divisors (see below), whose sum is σ = 16315962. Its totient is φ = 2510136.

The previous prime is 7530421. The next prime is 7530431. The reversal of 7530426 is 6240357.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7530421) and next prime (7530431).

It can be written as a sum of positive squares in only one way, i.e., 7371225 + 159201 = 2715^2 + 399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7530426.

It is not an unprimeable number, because it can be changed into a prime (7530421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209161 + ... + 209196.

Almost surely, 2^7530426 is an apocalyptic number.

7530426 is an abundant number, since it is smaller than the sum of its proper divisors (8785536).

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

7530426 is a wasteful number, since it uses less digits than its factorization.

7530426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418365 (or 418362 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7530426 is about 2744.1621672197. The cubic root of 7530426 is about 196.0077221725.

The spelling of 7530426 in words is "seven million, five hundred thirty thousand, four hundred twenty-six".