7643620350 has 48 divisors (see below), whose sum is σ = 21062424240. Its totient is φ = 2038298400.

The previous prime is 7643620343. The next prime is 7643620351. The reversal of 7643620350 is 530263467.

7643620350 is a `hidden beast` number, since 7 + 643 + 6 + 2 + 0 + 3 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7643620351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2829621 + ... + 2832320.

It is an arithmetic number, because the mean of its divisors is an integer number (438800505).

Almost surely, 2^7643620350 is an apocalyptic number.

7643620350 is an abundant number, since it is smaller than the sum of its proper divisors (13418803890).

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

7643620350 is a wasteful number, since it uses less digits than its factorization.

7643620350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661962 (or 5661951 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 7643620350 is about 87427.8007844187. The cubic root of 7643620350 is about 1969.8494521078.

The spelling of 7643620350 in words is "seven billion, six hundred forty-three million, six hundred twenty thousand, three hundred fifty".