7425134864 has 40 divisors (see below), whose sum is σ = 16601020800. Its totient is φ = 3151300608.

The previous prime is 7425134851. The next prime is 7425134881. The reversal of 7425134864 is 4684315247.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310289 + ... + 333360.

It is an arithmetic number, because the mean of its divisors is an integer number (415025520).

Almost surely, 2^7425134864 is an apocalyptic number.

It is an amenable number.

7425134864 is an abundant number, since it is smaller than the sum of its proper divisors (9175885936).

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

7425134864 is a wasteful number, since it uses less digits than its factorization.

7425134864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643767 (or 643761 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 7425134864 is about 86169.2222548167. Note that the first 4 decimals coincide. The cubic root of 7425134864 is about 1950.8989818530.

The spelling of 7425134864 in words is "seven billion, four hundred twenty-five million, one hundred thirty-four thousand, eight hundred sixty-four".