4051720 has 16 divisors (see below), whose sum is σ = 9116460. Its totient is φ = 1620672.

The previous prime is 4051717. The next prime is 4051727. The reversal of 4051720 is 271504.

4051720 is nontrivially palindromic in base 11.

4051720 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3740356 + 311364 = 1934^2 + 558^2 .

It is not an unprimeable number, because it can be changed into a prime (4051727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50607 + ... + 50686.

Almost surely, 2^4051720 is an apocalyptic number.

4051720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4051720 is an abundant number, since it is smaller than the sum of its proper divisors (5064740).

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

4051720 is a wasteful number, since it uses less digits than its factorization.

4051720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101304 (or 101300 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 4051720 is about 2012.8884718235. Note that the first 3 decimals coincide. The cubic root of 4051720 is about 159.4213472793.

The spelling of 4051720 in words is "four million, fifty-one thousand, seven hundred twenty".