76985642 has 8 divisors (see below), whose sum is σ = 115560000. Its totient is φ = 38465644.

The previous prime is 76985603. The next prime is 76985647. The reversal of 76985642 is 24658967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (76985647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9842 + ... + 15837.

It is an arithmetic number, because the mean of its divisors is an integer number (14445000).

Almost surely, 2^76985642 is an apocalyptic number.

76985642 is a deficient number, since it is larger than the sum of its proper divisors (38574358).

76985642 is a wasteful number, since it uses less digits than its factorization.

76985642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180.

The product of its digits is 725760, while the sum is 47.

The square root of 76985642 is about 8774.1462262718. The cubic root of 76985642 is about 425.4056417773.

The spelling of 76985642 in words is "seventy-six million, nine hundred eighty-five thousand, six hundred forty-two".