7085729124 has 24 divisors (see below), whose sum is σ = 18370409120. Its totient is φ = 2361909672.

The previous prime is 7085729099. The next prime is 7085729137. The reversal of 7085729124 is 4219275807.

It is a happy number.

7085729124 is a `hidden beast` number, since 70 + 8 + 572 + 9 + 1 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7085729124.

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 7 ways as a sum of consecutive naturals, for example, 32804194 + ... + 32804409.

Almost surely, 2^7085729124 is an apocalyptic number.

It is an amenable number.

7085729124 is an abundant number, since it is smaller than the sum of its proper divisors (11284679996).

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

7085729124 is a wasteful number, since it uses less digits than its factorization.

7085729124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65608616 (or 65608608 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 7085729124 is about 84176.7730671591. The cubic root of 7085729124 is about 1920.7087520098.

The spelling of 7085729124 in words is "seven billion, eighty-five million, seven hundred twenty-nine thousand, one hundred twenty-four".