70000193 has 4 divisors (see below), whose sum is σ = 71045040. Its totient is φ = 68955348.

The previous prime is 70000181. The next prime is 70000213. The reversal of 70000193 is 39100007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70000193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70000103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522323 + ... + 522456.

It is an arithmetic number, because the mean of its divisors is an integer number (17761260).

Almost surely, 2^70000193 is an apocalyptic number.

It is an amenable number.

70000193 is a deficient number, since it is larger than the sum of its proper divisors (1044847).

70000193 is a wasteful number, since it uses less digits than its factorization.

70000193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044846.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 70000193 is about 8366.6117992889. The cubic root of 70000193 is about 412.1289087463.

The spelling of 70000193 in words is "seventy million, one hundred ninety-three", and thus it is an aban number.