173072030 has 32 divisors (see below), whose sum is σ = 318917088. Its totient is φ = 67600000.

The previous prime is 173072027. The next prime is 173072041. The reversal of 173072030 is 30270371.

It is a junction number, because it is equal to n+sod(n) for n = 173071987 and 173072005.

It is a congruent number.

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, 132380 + ... + 133680.

It is an arithmetic number, because the mean of its divisors is an integer number (9966159).

Almost surely, 2^173072030 is an apocalyptic number.

173072030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173072030 is a deficient number, since it is larger than the sum of its proper divisors (145845058).

173072030 is a wasteful number, since it uses less digits than its factorization.

173072030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 173072030 is about 13155.6843227557. The cubic root of 173072030 is about 557.2827872127.

The spelling of 173072030 in words is "one hundred seventy-three million, seventy-two thousand, thirty".