173015730 has 64 divisors (see below), whose sum is σ = 469238400. Its totient is φ = 45351360.

The previous prime is 173015707. The next prime is 173015753. The reversal of 173015730 is 37510371.

It is an interprime number because it is at equal distance from previous prime (173015707) and next prime (173015753).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 173015694 and 173015703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10500 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (7331850).

Almost surely, 2^173015730 is an apocalyptic number.

173015730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 173015730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234619200).

173015730 is an abundant number, since it is smaller than the sum of its proper divisors (296222670).

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

173015730 is a wasteful number, since it uses less digits than its factorization.

173015730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 173015730 is about 13153.5443892511. The cubic root of 173015730 is about 557.2223529846. Note that the first 3 decimals are identical.

The spelling of 173015730 in words is "one hundred seventy-three million, fifteen thousand, seven hundred thirty".