4173440 has 32 divisors (see below), whose sum is σ = 9978660. Its totient is φ = 1669120.

The previous prime is 4173413. The next prime is 4173467. The reversal of 4173440 is 443714.

It is an interprime number because it is at equal distance from previous prime (4173413) and next prime (4173467).

It can be written as a sum of positive squares in 2 ways, for example, as 4032064 + 141376 = 2008^2 + 376^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621 + ... + 3900.

Almost surely, 2^4173440 is an apocalyptic number.

4173440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4173440 is an abundant number, since it is smaller than the sum of its proper divisors (5805220).

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

4173440 is an equidigital number, since it uses as much as digits as its factorization.

4173440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540 (or 6528 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4173440 is about 2042.8998996525. The cubic root of 4173440 is about 161.0020446482.

The spelling of 4173440 in words is "four million, one hundred seventy-three thousand, four hundred forty".