1000000075 has 6 divisors (see below), whose sum is σ = 1240000124. Its totient is φ = 800000040.

The previous prime is 1000000033. The next prime is 1000000087. The reversal of 1000000075 is 5700000001.

It is a de Polignac number, because none of the positive numbers 2^k-1000000075 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 5 ways as a sum of consecutive naturals, for example, 19999977 + ... + 20000026.

Almost surely, 2^1000000075 is an apocalyptic number.

1000000075 is a deficient number, since it is larger than the sum of its proper divisors (240000049).

1000000075 is an equidigital number, since it uses as much as digits as its factorization.

1000000075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000013 (or 40000008 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 13.

The square root of 1000000075 is about 31622.7777875379. Note that the first 4 decimals coincide. The cubic root of 1000000075 is about 1000.0000250000. Note that the first 4 decimals are identical.

Adding to 1000000075 its reverse (5700000001), we get a palindrome (6700000076).

The spelling of 1000000075 in words is "one billion, seventy-five", and thus it is an aban number and an uban number.