7125280668 has 240 divisors, whose sum is σ = 21572073600. Its totient is φ = 2028136320.

The previous prime is 7125280667. The next prime is 7125280681. The reversal of 7125280668 is 8660825217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125280667) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 9412146 + ... + 9412902.

It is an arithmetic number, because the mean of its divisors is an integer number (89883640).

Almost surely, 2^7125280668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125280668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10786036800).

7125280668 is an abundant number, since it is smaller than the sum of its proper divisors (14446792932).

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

7125280668 is a wasteful number, since it uses less digits than its factorization.

7125280668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 7125280668 is about 84411.3775980466. The cubic root of 7125280668 is about 1924.2758319994.

The spelling of 7125280668 in words is "seven billion, one hundred twenty-five million, two hundred eighty thousand, six hundred sixty-eight".