76305618 has 64 divisors (see below), whose sum is σ = 175943040. Its totient is φ = 24494400.

The previous prime is 76305587. The next prime is 76305643. The reversal of 76305618 is 81650367.

76305618 is a `hidden beast` number, since 7 + 6 + 30 + 5 + 618 = 666.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 361533 + ... + 361743.

It is an arithmetic number, because the mean of its divisors is an integer number (2749110).

Almost surely, 2^76305618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76305618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87971520).

76305618 is an abundant number, since it is smaller than the sum of its proper divisors (99637422).

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

76305618 is a wasteful number, since it uses less digits than its factorization.

76305618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 76305618 is about 8735.3086951750. The cubic root of 76305618 is about 424.1493814751.

The spelling of 76305618 in words is "seventy-six million, three hundred five thousand, six hundred eighteen".