4032780 has 24 divisors (see below), whose sum is σ = 11291952. Its totient is φ = 1075392.

The previous prime is 4032779. The next prime is 4032781. The reversal of 4032780 is 872304.

It is an interprime number because it is at equal distance from previous prime (4032779) and next prime (4032781).

It is a self number, because there is not a number n which added to its sum of digits gives 4032780.

It is not an unprimeable number, because it can be changed into a prime (4032781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33547 + ... + 33666.

It is an arithmetic number, because the mean of its divisors is an integer number (470498).

Almost surely, 2^4032780 is an apocalyptic number.

It is an amenable number.

4032780 is an abundant number, since it is smaller than the sum of its proper divisors (7259172).

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

4032780 is a wasteful number, since it uses less digits than its factorization.

4032780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67225 (or 67223 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 4032780 is about 2008.1782789384. The cubic root of 4032780 is about 159.1725510953.

The spelling of 4032780 in words is "four million, thirty-two thousand, seven hundred eighty".