30173173000 has 64 divisors (see below), whose sum is σ = 70765643520. Its totient is φ = 12041848000.

The previous prime is 30173172979. The next prime is 30173173013. The reversal of 30173173000 is 37137103.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408945 + ... + 477055.

It is an arithmetic number, because the mean of its divisors is an integer number (1105713180).

Almost surely, 2^30173173000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30173173000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35382821760).

30173173000 is an abundant number, since it is smaller than the sum of its proper divisors (40592470520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30173173000 is a wasteful number, since it uses less digits than its factorization.

30173173000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68575 (or 68561 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 25.

The spelling of 30173173000 in words is "thirty billion, one hundred seventy-three million, one hundred seventy-three thousand".