173995380 has 72 divisors (see below), whose sum is σ = 568392552. Its totient is φ = 42829056.

The previous prime is 173995373. The next prime is 173995397. The reversal of 173995380 is 83599371.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3849444 + 170145936 = 1962^2 + 13044^2 .

It is a super-2 number, since 2×173995380² = 60548784522688800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34839 + ... + 39518.

It is an arithmetic number, because the mean of its divisors is an integer number (7894341).

Almost surely, 2^173995380 is an apocalyptic number.

173995380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173995380 is an abundant number, since it is smaller than the sum of its proper divisors (394397172).

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

173995380 is a wasteful number, since it uses less digits than its factorization.

173995380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74385 (or 74380 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 173995380 is about 13190.7308364624. The cubic root of 173995380 is about 558.2720760497.

The spelling of 173995380 in words is "one hundred seventy-three million, nine hundred ninety-five thousand, three hundred eighty".