7473530644 has 12 divisors (see below), whose sum is σ = 13098897504. Its totient is φ = 3730988504.

The previous prime is 7473530641. The next prime is 7473530657. The reversal of 7473530644 is 4460353747.

It is a self number, because there is not a number n which added to its sum of digits gives 7473530644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7473530641) 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, 1441294 + ... + 1446469.

It is an arithmetic number, because the mean of its divisors is an integer number (1091574792).

Almost surely, 2^7473530644 is an apocalyptic number.

It is an amenable number.

7473530644 is a deficient number, since it is larger than the sum of its proper divisors (5625366860).

7473530644 is a wasteful number, since it uses less digits than its factorization.

7473530644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888414 (or 2888412 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The square root of 7473530644 is about 86449.5844061728. The cubic root of 7473530644 is about 1955.1283501442.

The spelling of 7473530644 in words is "seven billion, four hundred seventy-three million, five hundred thirty thousand, six hundred forty-four".