1730475715172 has 12 divisors (see below), whose sum is σ = 3041673174960. Its totient is φ = 861426236616.

The previous prime is 1730475715147. The next prime is 1730475715181. The reversal of 1730475715172 is 2715175740371.

It is a self number, because there is not a number n which added to its sum of digits gives 1730475715172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952904222 + ... + 952906037.

It is an arithmetic number, because the mean of its divisors is an integer number (253472764580).

Almost surely, 2^{1730475715172} is an apocalyptic number.

It is an amenable number.

1730475715172 is a deficient number, since it is larger than the sum of its proper divisors (1311197459788).

1730475715172 is a wasteful number, since it uses less digits than its factorization.

1730475715172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905810490 (or 1905810488 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 1730475715172 in words is "one trillion, seven hundred thirty billion, four hundred seventy-five million, seven hundred fifteen thousand, one hundred seventy-two".