76536565 has 24 divisors (see below), whose sum is σ = 106509312. Its totient is φ = 51719520.

The previous prime is 76536527. The next prime is 76536583. The reversal of 76536565 is 56563567.

It is not a de Polignac number, because 76536565 - 2¹⁵ = 76503797 is a prime.

It is a super-4 number, since 4×76536565⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400620 + ... + 400810.

It is an arithmetic number, because the mean of its divisors is an integer number (4437888).

Almost surely, 2^76536565 is an apocalyptic number.

It is an amenable number.

76536565 is a deficient number, since it is larger than the sum of its proper divisors (29972747).

76536565 is a wasteful number, since it uses less digits than its factorization.

76536565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 310 counting only the distinct ones).

The product of its digits is 567000, while the sum is 43.

The square root of 76536565 is about 8748.5178744745. The cubic root of 76536565 is about 424.5768614382.

The spelling of 76536565 in words is "seventy-six million, five hundred thirty-six thousand, five hundred sixty-five".