76636506 has 16 divisors (see below), whose sum is σ = 159937344. Its totient is φ = 24434784.

The previous prime is 76636471. The next prime is 76636507. The reversal of 76636506 is 60563667.

It is not an unprimeable number, because it can be changed into a prime (76636507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 277531 + ... + 277806.

It is an arithmetic number, because the mean of its divisors is an integer number (9996084).

Almost surely, 2^76636506 is an apocalyptic number.

76636506 is an abundant number, since it is smaller than the sum of its proper divisors (83300838).

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

76636506 is a wasteful number, since it uses less digits than its factorization.

76636506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555365.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 76636506 is about 8754.2278928527. The cubic root of 76636506 is about 424.7615843875.

The spelling of 76636506 in words is "seventy-six million, six hundred thirty-six thousand, five hundred six".