4507020 has 144 divisors (see below), whose sum is σ = 16161600. Its totient is φ = 1016064.

The previous prime is 4507003. The next prime is 4507021. The reversal of 4507020 is 207054.

It is a happy number.

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

It is an Ulam number.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 4506984 and 4507002.

It is not an unprimeable number, because it can be changed into a prime (4507021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61704 + ... + 61776.

Almost surely, 2^4507020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4507020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8080800).

4507020 is an abundant number, since it is smaller than the sum of its proper divisors (11654580).

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

4507020 is a wasteful number, since it uses less digits than its factorization.

4507020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 4507020 is about 2122.9743286248. The cubic root of 4507020 is about 165.1821679498.

The spelling of 4507020 in words is "four million, five hundred seven thousand, twenty".