6620258724 has 24 divisors (see below), whose sum is σ = 15482470080. Its totient is φ = 2201724384.

The previous prime is 6620258713. The next prime is 6620258737. The reversal of 6620258724 is 4278520266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623079 + ... + 633614.

It is an arithmetic number, because the mean of its divisors is an integer number (645102920).

Almost surely, 2^6620258724 is an apocalyptic number.

It is an amenable number.

6620258724 is an abundant number, since it is smaller than the sum of its proper divisors (8862211356).

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

6620258724 is a wasteful number, since it uses less digits than its factorization.

6620258724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257139 (or 1257137 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 6620258724 is about 81364.9723406823. The cubic root of 6620258724 is about 1877.6947302490.

The spelling of 6620258724 in words is "six billion, six hundred twenty million, two hundred fifty-eight thousand, seven hundred twenty-four".