7321479628 has 12 divisors (see below), whose sum is σ = 12813633000. Its totient is φ = 3660441632.

The previous prime is 7321479617. The next prime is 7321479629. The reversal of 7321479628 is 8269741237.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7321479629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13801 + ... + 121792.

It is an arithmetic number, because the mean of its divisors is an integer number (1067802750).

Almost surely, 2^7321479628 is an apocalyptic number.

It is an amenable number.

7321479628 is a deficient number, since it is larger than the sum of its proper divisors (5492153372).

7321479628 is a wasteful number, since it uses less digits than its factorization.

7321479628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149096 (or 149094 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 7321479628 is about 85565.6451386887. The cubic root of 7321479628 is about 1941.7781928396.

The spelling of 7321479628 in words is "seven billion, three hundred twenty-one million, four hundred seventy-nine thousand, six hundred twenty-eight".