70204667173 has 4 divisors (see below), whose sum is σ = 72469333888. Its totient is φ = 67940000460.

The previous prime is 70204667153. The next prime is 70204667191. The reversal of 70204667173 is 37176640207.

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-70204667173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70204667123) 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, 1132333311 + ... + 1132333372.

It is an arithmetic number, because the mean of its divisors is an integer number (18117333472).

Almost surely, 2^70204667173 is an apocalyptic number.

It is an amenable number.

70204667173 is a deficient number, since it is larger than the sum of its proper divisors (2264666715).

70204667173 is a wasteful number, since it uses less digits than its factorization.

70204667173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264666714.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 70204667173 in words is "seventy billion, two hundred four million, six hundred sixty-seven thousand, one hundred seventy-three".