4053720 has 128 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 944640.

The previous prime is 4053719. The next prime is 4053737. The reversal of 4053720 is 273504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48799 + ... + 48881.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

Almost surely, 2^4053720 is an apocalyptic number.

4053720 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 4053720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6894720).

4053720 is an abundant number, since it is smaller than the sum of its proper divisors (9735720).

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

4053720 is a wasteful number, since it uses less digits than its factorization.

4053720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 4053720 is about 2013.3852090447. The cubic root of 4053720 is about 159.4475740214.

The spelling of 4053720 in words is "four million, fifty-three thousand, seven hundred twenty".