76530330 has 24 divisors (see below), whose sum is σ = 198979092. Its totient is φ = 20408064.

The previous prime is 76530301. The next prime is 76530371. The reversal of 76530330 is 3303567.

76530330 is a `hidden beast` number, since 7 + 653 + 0 + 3 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72233001 + 4297329 = 8499^2 + 2073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76530294 and 76530303.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 425079 + ... + 425258.

Almost surely, 2^76530330 is an apocalyptic number.

76530330 is an abundant number, since it is smaller than the sum of its proper divisors (122448762).

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

76530330 is a wasteful number, since it uses less digits than its factorization.

76530330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850350 (or 850347 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 76530330 is about 8748.1615211426. The cubic root of 76530330 is about 424.5653318352.

Adding to 76530330 its reverse (3303567), we get a palindrome (79833897).

The spelling of 76530330 in words is "seventy-six million, five hundred thirty thousand, three hundred thirty".