3240072 has 48 divisors (see below), whose sum is σ = 9575280. Its totient is φ = 981600.

The previous prime is 3240043. The next prime is 3240073. The reversal of 3240072 is 2700423.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3240073) 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, 1254 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (199485).

Almost surely, 2^3240072 is an apocalyptic number.

It is an amenable number.

3240072 is an abundant number, since it is smaller than the sum of its proper divisors (6335208).

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

3240072 is a wasteful number, since it uses less digits than its factorization.

3240072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114 (or 4107 counting only the distinct ones).

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

The square root of 3240072 is about 1800.0199998889. The cubic root of 3240072 is about 147.9738205460.

Adding to 3240072 its reverse (2700423), we get a palindrome (5940495).

It can be divided in two parts, 32 and 40072, that added together give a palindrome (40104).

The spelling of 3240072 in words is "three million, two hundred forty thousand, seventy-two".