76081636 has 12 divisors (see below), whose sum is σ = 134192128. Its totient is φ = 37741032.

The previous prime is 76081619. The next prime is 76081637. The reversal of 76081636 is 63618067.

It is a junction number, because it is equal to n+sod(n) for n = 76081595 and 76081604.

It is not an unprimeable number, because it can be changed into a prime (76081637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74376 + ... + 75391.

Almost surely, 2^76081636 is an apocalyptic number.

It is an amenable number.

76081636 is a deficient number, since it is larger than the sum of its proper divisors (58110492).

76081636 is a wasteful number, since it uses less digits than its factorization.

76081636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149898 (or 149896 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 76081636 is about 8722.4787761278. The cubic root of 76081636 is about 423.7339689320.

The spelling of 76081636 in words is "seventy-six million, eighty-one thousand, six hundred thirty-six".