7424736648 has 64 divisors (see below), whose sum is σ = 21240144000. Its totient is φ = 2118692352.

The previous prime is 7424736619. The next prime is 7424736661. The reversal of 7424736648 is 8466374247.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 7424736648.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 108598 + ... + 163226.

It is an arithmetic number, because the mean of its divisors is an integer number (331877250).

Almost surely, 2^7424736648 is an apocalyptic number.

It is an amenable number.

7424736648 is an abundant number, since it is smaller than the sum of its proper divisors (13815407352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7424736648 is a wasteful number, since it uses less digits than its factorization.

7424736648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55454 (or 55450 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 51.

The square root of 7424736648 is about 86166.9115612252. The cubic root of 7424736648 is about 1950.8641051317.

The spelling of 7424736648 in words is "seven billion, four hundred twenty-four million, seven hundred thirty-six thousand, six hundred forty-eight".