76506066 has 64 divisors (see below), whose sum is σ = 209260800. Its totient is φ = 20176128.

The previous prime is 76506013. The next prime is 76506071. The reversal of 76506066 is 66060567.

It is a self number, because there is not a number n which added to its sum of digits gives 76506066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2871 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (3269700).

Almost surely, 2^76506066 is an apocalyptic number.

76506066 is an abundant number, since it is smaller than the sum of its proper divisors (132754734).

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

76506066 is a wasteful number, since it uses less digits than its factorization.

76506066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15600 (or 15594 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 76506066 is about 8746.7746055332. The cubic root of 76506066 is about 424.5204575040.

The spelling of 76506066 in words is "seventy-six million, five hundred six thousand, sixty-six".