76963680 has 288 divisors, whose sum is σ = 288943200. Its totient is φ = 18579456.

The previous prime is 76963673. The next prime is 76963687. The reversal of 76963680 is 8636967.

76963680 is a `hidden beast` number, since 7 + 6 + 9 + 636 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (76963673) and next prime (76963687).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76963687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 793392 + ... + 793488.

It is an arithmetic number, because the mean of its divisors is an integer number (1003275).

Almost surely, 2^76963680 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 76963680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144471600).

76963680 is an abundant number, since it is smaller than the sum of its proper divisors (211979520).

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

76963680 is a wasteful number, since it uses less digits than its factorization.

76963680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 76963680 is about 8772.8946192235. The cubic root of 76963680 is about 425.3651855441.

The spelling of 76963680 in words is "seventy-six million, nine hundred sixty-three thousand, six hundred eighty".