7625617620 has 24 divisors (see below), whose sum is σ = 21351729504. Its totient is φ = 2033498016.

The previous prime is 7625617589. The next prime is 7625617661. The reversal of 7625617620 is 267165267.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63546754 + ... + 63546873.

It is an arithmetic number, because the mean of its divisors is an integer number (889655396).

Almost surely, 2^7625617620 is an apocalyptic number.

It is an amenable number.

7625617620 is an abundant number, since it is smaller than the sum of its proper divisors (13726111884).

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

7625617620 is a wasteful number, since it uses less digits than its factorization.

7625617620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127093639 (or 127093637 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 7625617620 is about 87324.7823930870. The cubic root of 7625617620 is about 1968.3017323981.

The spelling of 7625617620 in words is "seven billion, six hundred twenty-five million, six hundred seventeen thousand, six hundred twenty".