76642330 has 16 divisors (see below), whose sum is σ = 138062880. Its totient is φ = 30633232.

The previous prime is 76642327. The next prime is 76642337. The reversal of 76642330 is 3324667.

It is a junction number, because it is equal to n+sod(n) for n = 76642292 and 76642301.

It is not an unprimeable number, because it can be changed into a prime (76642337) 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 7 ways as a sum of consecutive naturals, for example, 17061 + ... + 21079.

It is an arithmetic number, because the mean of its divisors is an integer number (8628930).

Almost surely, 2^76642330 is an apocalyptic number.

76642330 is a deficient number, since it is larger than the sum of its proper divisors (61420550).

76642330 is a wasteful number, since it uses less digits than its factorization.

76642330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 76642330 is about 8754.5605258060. The cubic root of 76642330 is about 424.7723440500.

Adding to 76642330 its reverse (3324667), we get a palindrome (79966997).

The spelling of 76642330 in words is "seventy-six million, six hundred forty-two thousand, three hundred thirty".