7473236643 has 24 divisors (see below), whose sum is σ = 11080740528. Its totient is φ = 4850862912.

The previous prime is 7473236633. The next prime is 7473236663. The reversal of 7473236643 is 3466323747.

7473236643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7473236643 - 2¹⁷ = 7473105571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7473236633) 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 23 ways as a sum of consecutive naturals, for example, 92221 + ... + 153137.

It is an arithmetic number, because the mean of its divisors is an integer number (461697522).

Almost surely, 2^7473236643 is an apocalyptic number.

7473236643 is a deficient number, since it is larger than the sum of its proper divisors (3607503885).

7473236643 is a wasteful number, since it uses less digits than its factorization.

7473236643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61283 (or 61280 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 45.

The square root of 7473236643 is about 86447.8839706328. The cubic root of 7473236643 is about 1955.1027122293.

The spelling of 7473236643 in words is "seven billion, four hundred seventy-three million, two hundred thirty-six thousand, six hundred forty-three".