173942340 has 288 divisors, whose sum is σ = 613119360. Its totient is φ = 36495360.

The previous prime is 173942339. The next prime is 173942387. The reversal of 173942340 is 43249371.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1793172 + ... + 1793268.

Almost surely, 2^173942340 is an apocalyptic number.

173942340 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 173942340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306559680).

173942340 is an abundant number, since it is smaller than the sum of its proper divisors (439177020).

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

173942340 is a wasteful number, since it uses less digits than its factorization.

173942340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 173942340 is about 13188.7201805179. The cubic root of 173942340 is about 558.2153432019.

The spelling of 173942340 in words is "one hundred seventy-three million, nine hundred forty-two thousand, three hundred forty".