7644072 has 16 divisors (see below), whose sum is σ = 19110240. Its totient is φ = 2548016.

The previous prime is 7644071. The next prime is 7644079. The reversal of 7644072 is 2704467.

It is not an unprimeable number, because it can be changed into a prime (7644071) 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 3 ways as a sum of consecutive naturals, for example, 159228 + ... + 159275.

It is an arithmetic number, because the mean of its divisors is an integer number (1194390).

Almost surely, 2^7644072 is an apocalyptic number.

It is an amenable number.

7644072 is an abundant number, since it is smaller than the sum of its proper divisors (11466168).

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

7644072 is a wasteful number, since it uses less digits than its factorization.

7644072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318512 (or 318508 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 7644072 is about 2764.7914930425. The cubic root of 7644072 is about 196.9888249821.

The spelling of 7644072 in words is "seven million, six hundred forty-four thousand, seventy-two".