7332128 has 24 divisors (see below), whose sum is σ = 14934780. Its totient is φ = 3539200.

The previous prime is 7332121. The next prime is 7332131. The reversal of 7332128 is 8212337.

It can be written as a sum of positive squares in 2 ways, for example, as 7246864 + 85264 = 2692^2 + 292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7332097 and 7332106.

It is not an unprimeable number, because it can be changed into a prime (7332121) 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, 3023 + ... + 4878.

Almost surely, 2^7332128 is an apocalyptic number.

It is an amenable number.

7332128 is an abundant number, since it is smaller than the sum of its proper divisors (7602652).

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

7332128 is a wasteful number, since it uses less digits than its factorization.

7332128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940 (or 7932 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 7332128 is about 2707.7902429841. The cubic root of 7332128 is about 194.2719111960.

The spelling of 7332128 in words is "seven million, three hundred thirty-two thousand, one hundred twenty-eight".