7325448644 has 12 divisors (see below), whose sum is σ = 12821203500. Its totient is φ = 3662247648.

The previous prime is 7325448607. The next prime is 7325448661. The reversal of 7325448644 is 4468445237.

It can be written as a sum of positive squares in 2 ways, for example, as 3857652100 + 3467796544 = 62110^2 + 58888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83399 + ... + 146990.

It is an arithmetic number, because the mean of its divisors is an integer number (1068433625).

Almost surely, 2^7325448644 is an apocalyptic number.

It is an amenable number.

7325448644 is a deficient number, since it is larger than the sum of its proper divisors (5495754856).

7325448644 is a wasteful number, since it uses less digits than its factorization.

7325448644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238342 (or 238340 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 47.

The square root of 7325448644 is about 85588.8348092203. The cubic root of 7325448644 is about 1942.1290124765.

The spelling of 7325448644 in words is "seven billion, three hundred twenty-five million, four hundred forty-eight thousand, six hundred forty-four".