7673622728 has 12 divisors (see below), whose sum is σ = 14388507195. Its totient is φ = 3836687480.

The previous prime is 7673622713. The next prime is 7673622731. The reversal of 7673622728 is 8272263767.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3836811364 + 3836811364 = 61942^2 + 61942^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61942.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 232283 + ... + 263253.

Almost surely, 2^7673622728 is an apocalyptic number.

It is an amenable number.

7673622728 is a deficient number, since it is larger than the sum of its proper divisors (6714884467).

7673622728 is an frugal number, since it uses more digits than its factorization.

7673622728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61948 (or 30973 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The square root of 7673622728 is about 87599.2164805143. The cubic root of 7673622728 is about 1972.4234073634.

Multiplying 7673622728 by its sum of digits (50), we get a square (383681136400 = 619420²).

The spelling of 7673622728 in words is "seven billion, six hundred seventy-three million, six hundred twenty-two thousand, seven hundred twenty-eight".