76828230 has 128 divisors (see below), whose sum is σ = 216207360. Its totient is φ = 19388160.

The previous prime is 76828189. The next prime is 76828231. The reversal of 76828230 is 3282867.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76828231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 560722 + ... + 560858.

It is an arithmetic number, because the mean of its divisors is an integer number (1689120).

Almost surely, 2^76828230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76828230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108103680).

76828230 is an abundant number, since it is smaller than the sum of its proper divisors (139379130).

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

76828230 is a wasteful number, since it uses less digits than its factorization.

76828230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 76828230 is about 8765.1714187459. The cubic root of 76828230 is about 425.1155026323.

The spelling of 76828230 in words is "seventy-six million, eight hundred twenty-eight thousand, two hundred thirty".