76640136 has 16 divisors (see below), whose sum is σ = 191600400. Its totient is φ = 25546704.

The previous prime is 76640119. The next prime is 76640171. The reversal of 76640136 is 63104667.

It is a junction number, because it is equal to n+sod(n) for n = 76640097 and 76640106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596646 + ... + 1596693.

It is an arithmetic number, because the mean of its divisors is an integer number (11975025).

Almost surely, 2^76640136 is an apocalyptic number.

It is an amenable number.

76640136 is an abundant number, since it is smaller than the sum of its proper divisors (114960264).

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

76640136 is a wasteful number, since it uses less digits than its factorization.

76640136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193348 (or 3193344 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 76640136 is about 8754.4352187905. The cubic root of 76640136 is about 424.7682907659.

The spelling of 76640136 in words is "seventy-six million, six hundred forty thousand, one hundred thirty-six".