76812648 has 128 divisors (see below), whose sum is σ = 221184000. Its totient is φ = 22014720.

The previous prime is 76812641. The next prime is 76812683. The reversal of 76812648 is 84621867.

It is not an unprimeable number, because it can be changed into a prime (76812641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604761 + ... + 604887.

It is an arithmetic number, because the mean of its divisors is an integer number (1728000).

Almost surely, 2^76812648 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 76812648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110592000).

76812648 is an abundant number, since it is smaller than the sum of its proper divisors (144371352).

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

76812648 is a wasteful number, since it uses less digits than its factorization.

76812648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 251 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 76812648 is about 8764.2825148440. The cubic root of 76812648 is about 425.0867606033.

The spelling of 76812648 in words is "seventy-six million, eight hundred twelve thousand, six hundred forty-eight".