4140720 has 140 divisors (see below), whose sum is σ = 14637456. Its totient is φ = 1088640.

The previous prime is 4140709. The next prime is 4140733. The reversal of 4140720 is 270414.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4140693 and 4140702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 58285 + ... + 58355.

Almost surely, 2^4140720 is an apocalyptic number.

4140720 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 4140720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7318728).

4140720 is an abundant number, since it is smaller than the sum of its proper divisors (10496736).

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

4140720 is an equidigital number, since it uses as much as digits as its factorization.

4140720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4140720 is about 2034.8759175930. The cubic root of 4140720 is about 160.5801852802.

The spelling of 4140720 in words is "four million, one hundred forty thousand, seven hundred twenty".