4071420 has 36 divisors (see below), whose sum is σ = 12350520. Its totient is φ = 1085664.

The previous prime is 4071401. The next prime is 4071421. The reversal of 4071420 is 241704.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 4071393 and 4071402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4071421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11130 + ... + 11489.

It is an arithmetic number, because the mean of its divisors is an integer number (343070).

Almost surely, 2^4071420 is an apocalyptic number.

It is an amenable number.

4071420 is an abundant number, since it is smaller than the sum of its proper divisors (8279100).

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

4071420 is a wasteful number, since it uses less digits than its factorization.

4071420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22634 (or 22629 counting only the distinct ones).

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

The square root of 4071420 is about 2017.7760034256. The cubic root of 4071420 is about 159.6793055654.

The spelling of 4071420 in words is "four million, seventy-one thousand, four hundred twenty".