76566912 has 128 divisors (see below), whose sum is σ = 221862240. Its totient is φ = 23298048.

The previous prime is 76566911. The next prime is 76566923. The reversal of 76566912 is 21966567.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76566911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241378 + ... + 241694.

Almost surely, 2^76566912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76566912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110931120).

76566912 is an abundant number, since it is smaller than the sum of its proper divisors (145295328).

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

76566912 is a wasteful number, since it uses less digits than its factorization.

76566912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 376 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 76566912 is about 8750.2521106537. The cubic root of 76566912 is about 424.6329693976.

The spelling of 76566912 in words is "seventy-six million, five hundred sixty-six thousand, nine hundred twelve".