7524542668 has 12 divisors (see below), whose sum is σ = 13178672640. Its totient is φ = 3759207632.

The previous prime is 7524542657. The next prime is 7524542687. The reversal of 7524542668 is 8662454257.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760396 + ... + 770227.

It is an arithmetic number, because the mean of its divisors is an integer number (1098222720).

Almost surely, 2^7524542668 is an apocalyptic number.

It is an amenable number.

7524542668 is a deficient number, since it is larger than the sum of its proper divisors (5654129972).

7524542668 is a wasteful number, since it uses less digits than its factorization.

7524542668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531856 (or 1531854 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The square root of 7524542668 is about 86744.1218066100. The cubic root of 7524542668 is about 1959.5666357586.

The spelling of 7524542668 in words is "seven billion, five hundred twenty-four million, five hundred forty-two thousand, six hundred sixty-eight".