173030040 has 128 divisors (see below), whose sum is σ = 581644800. Its totient is φ = 45751680.

The previous prime is 173030023. The next prime is 173030057. The reversal of 173030040 is 40030371.

It is an interprime number because it is at equal distance from previous prime (173030023) and next prime (173030057).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 173029995 and 173030022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140869 + ... + 142091.

It is an arithmetic number, because the mean of its divisors is an integer number (4544100).

Almost surely, 2^173030040 is an apocalyptic number.

173030040 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 173030040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290822400).

173030040 is an abundant number, since it is smaller than the sum of its proper divisors (408614760).

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

173030040 is a wasteful number, since it uses less digits than its factorization.

173030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 173030040 is about 13154.0883378515. The cubic root of 173030040 is about 557.2377150407.

The spelling of 173030040 in words is "one hundred seventy-three million, thirty thousand, forty".