70000075 has 6 divisors (see below), whose sum is σ = 86800124. Its totient is φ = 56000040.

The previous prime is 70000069. The next prime is 70000081. The reversal of 70000075 is 57000007.

It is an interprime number because it is at equal distance from previous prime (70000069) and next prime (70000081).

It is not a de Polignac number, because 70000075 - 2⁵ = 70000043 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1399977 + ... + 1400026.

Almost surely, 2^70000075 is an apocalyptic number.

70000075 is a deficient number, since it is larger than the sum of its proper divisors (16800049).

70000075 is a wasteful number, since it uses less digits than its factorization.

70000075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800013 (or 2800008 counting only the distinct ones).

The product of its (nonzero) digits is 245, while the sum is 19.

The square root of 70000075 is about 8366.6047474468. The cubic root of 70000075 is about 412.1286771696.

The spelling of 70000075 in words is "seventy million, seventy-five", and thus it is an aban number and an uban number.