7328722 has 4 divisors (see below), whose sum is σ = 10993086. Its totient is φ = 3664360.

The previous prime is 7328719. The next prime is 7328747. The reversal of 7328722 is 2278237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7134241 + 194481 = 2671^2 + 441^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832179 + ... + 1832182.

Almost surely, 2^7328722 is an apocalyptic number.

7328722 is a deficient number, since it is larger than the sum of its proper divisors (3664364).

7328722 is a wasteful number, since it uses less digits than its factorization.

7328722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664363.

The product of its digits is 9408, while the sum is 31.

The square root of 7328722 is about 2707.1612438124. The cubic root of 7328722 is about 194.2418247684.

The spelling of 7328722 in words is "seven million, three hundred twenty-eight thousand, seven hundred twenty-two".