7125544 has 16 divisors (see below), whose sum is σ = 13396500. Its totient is φ = 3553152.

The previous prime is 7125527. The next prime is 7125553. The reversal of 7125544 is 4455217.

It can be written as a sum of positive squares in 2 ways, for example, as 6200100 + 925444 = 2490^2 + 962^2 .

It is a congruent number.

It is an unprimeable number.

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, 2682 + ... + 4630.

Almost surely, 2^7125544 is an apocalyptic number.

It is an amenable number.

7125544 is a deficient number, since it is larger than the sum of its proper divisors (6270956).

7125544 is a wasteful number, since it uses less digits than its factorization.

7125544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412 (or 2408 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 7125544 is about 2669.3714615992. The cubic root of 7125544 is about 192.4299537132.

The spelling of 7125544 in words is "seven million, one hundred twenty-five thousand, five hundred forty-four".