4173840 has 240 divisors, whose sum is σ = 16713216. Its totient is φ = 921600.

The previous prime is 4173817. The next prime is 4173847. The reversal of 4173840 is 483714.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (4173847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134625 + ... + 134655.

Almost surely, 2^4173840 is an apocalyptic number.

4173840 is a gapful number since it is divisible by the number (40) 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 4173840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8356608).

4173840 is an abundant number, since it is smaller than the sum of its proper divisors (12539376).

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

4173840 is a wasteful number, since it uses less digits than its factorization.

4173840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4173840 is about 2042.9977973556. The cubic root of 4173840 is about 161.0071881877.

The spelling of 4173840 in words is "four million, one hundred seventy-three thousand, eight hundred forty".