8273645620 has 48 divisors (see below), whose sum is σ = 17635968000. Its totient is φ = 3259773440.

The previous prime is 8273645599. The next prime is 8273645621. The reversal of 8273645620 is 265463728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8273645621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041356 + ... + 2045404.

It is an arithmetic number, because the mean of its divisors is an integer number (367416000).

Almost surely, 2^8273645620 is an apocalyptic number.

It is an amenable number.

8273645620 is an abundant number, since it is smaller than the sum of its proper divisors (9362322380).

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

8273645620 is a wasteful number, since it uses less digits than its factorization.

8273645620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 8273645620 is about 90959.5823429286. The cubic root of 8273645620 is about 2022.5486260128.

The spelling of 8273645620 in words is "eight billion, two hundred seventy-three million, six hundred forty-five thousand, six hundred twenty".