4030272 has 42 divisors (see below), whose sum is σ = 11553698. Its totient is φ = 1343232.

The previous prime is 4030219. The next prime is 4030277. The reversal of 4030272 is 2720304.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3154176 + 876096 = 1776^2 + 936^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2923 + ... + 4074.

Almost surely, 2^4030272 is an apocalyptic number.

It is an amenable number.

4030272 is an abundant number, since it is smaller than the sum of its proper divisors (7523426).

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

4030272 is a wasteful number, since it uses less digits than its factorization.

4030272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015 (or 7002 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 4030272 is about 2007.5537352709. The cubic root of 4030272 is about 159.1395475971.

Adding to 4030272 its reverse (2720304), we get a palindrome (6750576).

The spelling of 4030272 in words is "four million, thirty thousand, two hundred seventy-two".