7264128 has 32 divisors (see below), whose sum is σ = 19296360. Its totient is φ = 2421248.

The previous prime is 7264121. The next prime is 7264141. The reversal of 7264128 is 8214627.

7264128 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 7264095 and 7264104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7264121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9075 + ... + 9842.

Almost surely, 2^7264128 is an apocalyptic number.

It is an amenable number.

7264128 is an abundant number, since it is smaller than the sum of its proper divisors (12032232).

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

7264128 is a wasteful number, since it uses less digits than its factorization.

7264128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18934 (or 18922 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 7264128 is about 2695.2046304502. The cubic root of 7264128 is about 193.6694694117.

The spelling of 7264128 in words is "seven million, two hundred sixty-four thousand, one hundred twenty-eight".