7073427985 has 16 divisors (see below), whose sum is σ = 9143450064. Its totient is φ = 5222080512.

The previous prime is 7073427971. The next prime is 7073428009. The reversal of 7073427985 is 5897243707.

It can be written as a sum of positive squares in 8 ways, for example, as 2016369216 + 5057058769 = 44904^2 + 71113^2 .

It is a cyclic number.

It is not a de Polignac number, because 7073427985 - 2⁷ = 7073427857 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 281289 + ... + 305401.

It is an arithmetic number, because the mean of its divisors is an integer number (571465629).

Almost surely, 2^7073427985 is an apocalyptic number.

It is an amenable number.

7073427985 is a deficient number, since it is larger than the sum of its proper divisors (2070022079).

7073427985 is a wasteful number, since it uses less digits than its factorization.

7073427985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28644.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 7073427985 is about 84103.6740279520. The cubic root of 7073427985 is about 1919.5966297626.

The spelling of 7073427985 in words is "seven billion, seventy-three million, four hundred twenty-seven thousand, nine hundred eighty-five".