7172328 has 16 divisors (see below), whose sum is σ = 17930880. Its totient is φ = 2390768.

The previous prime is 7172327. The next prime is 7172369. The reversal of 7172328 is 8232717.

7172328 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7172295 and 7172304.

It is not an unprimeable number, because it can be changed into a prime (7172327) 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, 149400 + ... + 149447.

It is an arithmetic number, because the mean of its divisors is an integer number (1120680).

Almost surely, 2^7172328 is an apocalyptic number.

It is an amenable number.

7172328 is an abundant number, since it is smaller than the sum of its proper divisors (10758552).

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

7172328 is a wasteful number, since it uses less digits than its factorization.

7172328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298856 (or 298852 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 7172328 is about 2678.1202362851. The cubic root of 7172328 is about 192.8501794860.

The spelling of 7172328 in words is "seven million, one hundred seventy-two thousand, three hundred twenty-eight".