7126544 has 20 divisors (see below), whose sum is σ = 13900524. Its totient is φ = 3539328.

The previous prime is 7126543. The next prime is 7126549. The reversal of 7126544 is 4456217.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 6150400 = 988^2 + 2480^2 .

It is not an unprimeable number, because it can be changed into a prime (7126543) by changing a digit.

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, 1094 + ... + 3930.

Almost surely, 2^7126544 is an apocalyptic number.

It is an amenable number.

7126544 is a deficient number, since it is larger than the sum of its proper divisors (6773980).

7126544 is a wasteful number, since it uses less digits than its factorization.

7126544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2996 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 7126544 is about 2669.5587650396. The cubic root of 7126544 is about 192.4389551757.

The spelling of 7126544 in words is "seven million, one hundred twenty-six thousand, five hundred forty-four".