76007181636 has 27 divisors (see below), whose sum is σ = 192133446141. Its totient is φ = 25335175824.

The previous prime is 76007181581. The next prime is 76007181647. The reversal of 76007181636 is 63618170067.

The square root of 76007181636 is 275694.

It is a perfect power (a square), and thus also a powerful number.

76007181636 is a `hidden beast` number, since 7 + 6 + 0 + 0 + 7 + 1 + 8 + 1 + 636 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64265292036 + 11741889600 = 253506^2 + 108360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76007181591 and 76007181600.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1631190 + ... + 1677138.

Almost surely, 2^76007181636 is an apocalyptic number.

76007181636 is the 275694-th square number.

It is an amenable number.

76007181636 is an abundant number, since it is smaller than the sum of its proper divisors (116126264505).

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

76007181636 is an frugal number, since it uses more digits than its factorization.

76007181636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91908 (or 45954 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 76007181636 in words is "seventy-six billion, seven million, one hundred eighty-one thousand, six hundred thirty-six".