7521930648 has 64 divisors (see below), whose sum is σ = 21158784000. Its totient is φ = 2475566496.

The previous prime is 7521930623. The next prime is 7521930683. The reversal of 7521930648 is 8460391257.

7521930648 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

7521930648 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203340 + ... + 237467.

It is an arithmetic number, because the mean of its divisors is an integer number (330606000).

It is a 1-persistent number, because it is pandigital, but 2⋅7521930648 = 15043861296 is not.

Almost surely, 2^7521930648 is an apocalyptic number.

It is an amenable number.

7521930648 is an abundant number, since it is smaller than the sum of its proper divisors (13636853352).

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

7521930648 is a wasteful number, since it uses less digits than its factorization.

7521930648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440901 (or 440891 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 7521930648 is about 86729.0646092762. The cubic root of 7521930648 is about 1959.3398658474.

The spelling of 7521930648 in words is "seven billion, five hundred twenty-one million, nine hundred thirty thousand, six hundred forty-eight".