7275685563 has 12 divisors (see below), whose sum is σ = 10510348680. Its totient is φ = 4849983936.

The previous prime is 7275685559. The next prime is 7275685579. The reversal of 7275685563 is 3655865727.

7275685563 is a `hidden beast` number, since 7 + 2 + 75 + 6 + 8 + 5 + 563 = 666.

It is not a de Polignac number, because 7275685563 - 2² = 7275685559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7275685583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75648 + ... + 142386.

It is an arithmetic number, because the mean of its divisors is an integer number (875862390).

Almost surely, 2^7275685563 is an apocalyptic number.

7275685563 is a deficient number, since it is larger than the sum of its proper divisors (3234663117).

7275685563 is a wasteful number, since it uses less digits than its factorization.

7275685563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78858 (or 78855 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The square root of 7275685563 is about 85297.6292929645. The cubic root of 7275685563 is about 1937.7212734200.

The spelling of 7275685563 in words is "seven billion, two hundred seventy-five million, six hundred eighty-five thousand, five hundred sixty-three".