76505636 has 12 divisors (see below), whose sum is σ = 139706112. Its totient is φ = 36589608.

The previous prime is 76505599. The next prime is 76505669. The reversal of 76505636 is 63650567.

It is a super-2 number, since 2×76505636² = 11706224679528992, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 76505636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415700 + ... + 415883.

It is an arithmetic number, because the mean of its divisors is an integer number (11642176).

Almost surely, 2^76505636 is an apocalyptic number.

It is an amenable number.

76505636 is a deficient number, since it is larger than the sum of its proper divisors (63200476).

76505636 is a wasteful number, since it uses less digits than its factorization.

76505636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831610 (or 831608 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 76505636 is about 8746.7500250093. The cubic root of 76505636 is about 424.5196621678.

The spelling of 76505636 in words is "seventy-six million, five hundred five thousand, six hundred thirty-six".