173725000 has 48 divisors (see below), whose sum is σ = 407200500. Its totient is φ = 69480000.

The previous prime is 173724983. The next prime is 173725007. The reversal of 173725000 is 527371.

It can be written as a sum of positive squares in 6 ways, for example, as 3526884 + 170198116 = 1878^2 + 13046^2 .

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

It is not an unprimeable number, because it can be changed into a prime (173725007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21526 + ... + 28474.

Almost surely, 2^173725000 is an apocalyptic number.

173725000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203600250).

173725000 is an abundant number, since it is smaller than the sum of its proper divisors (233475500).

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

173725000 is an frugal number, since it uses more digits than its factorization.

173725000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980 (or 6956 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 173725000 is about 13180.4779882977. The cubic root of 173725000 is about 557.9827506305.

The spelling of 173725000 in words is "one hundred seventy-three million, seven hundred twenty-five thousand".