6453072 has 60 divisors (see below), whose sum is σ = 18517044. Its totient is φ = 2096640.

The previous prime is 6453071. The next prime is 6453077. The reversal of 6453072 is 2703546.

It is a happy number.

6453072 is a `hidden beast` number, since 64 + 530 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 2903616 = 1884^2 + 1704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5358 + ... + 6450.

Almost surely, 2^6453072 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 6453072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9258522).

6453072 is an abundant number, since it is smaller than the sum of its proper divisors (12063972).

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

6453072 is a wasteful number, since it uses less digits than its factorization.

6453072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6453072 is about 2540.2897472533. The cubic root of 6453072 is about 186.1753462651.

The spelling of 6453072 in words is "six million, four hundred fifty-three thousand, seventy-two".