75685563 has 16 divisors (see below), whose sum is σ = 115994400. Its totient is φ = 48716640.

The previous prime is 75685559. The next prime is 75685583. The reversal of 75685563 is 36558657.

75685563 is a `hidden beast` number, since 7 + 5 + 6 + 85 + 563 = 666.

It is not a de Polignac number, because 75685563 - 2² = 75685559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75685553) 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, 47548 + ... + 49113.

It is an arithmetic number, because the mean of its divisors is an integer number (7249650).

Almost surely, 2^75685563 is an apocalyptic number.

75685563 is a deficient number, since it is larger than the sum of its proper divisors (40308837).

75685563 is a wasteful number, since it uses less digits than its factorization.

75685563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96699 (or 96693 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 75685563 is about 8699.7449962628. The cubic root of 75685563 is about 422.9973844212.

It can be divided in two parts, 7568 and 5563, that added together give a palindrome (13131).

The spelling of 75685563 in words is "seventy-five million, six hundred eighty-five thousand, five hundred sixty-three".