74681876982 has 16 divisors (see below), whose sum is σ = 152541706752. Its totient is φ = 24364300200.

The previous prime is 74681876981. The next prime is 74681876989. The reversal of 74681876982 is 28967818647.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74681876981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132414394 + ... + 132414957.

It is an arithmetic number, because the mean of its divisors is an integer number (9533856672).

Almost surely, 2^74681876982 is an apocalyptic number.

74681876982 is an abundant number, since it is smaller than the sum of its proper divisors (77859829770).

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

74681876982 is a wasteful number, since it uses less digits than its factorization.

74681876982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264829403.

The product of its digits is 65028096, while the sum is 66.

The spelling of 74681876982 in words is "seventy-four billion, six hundred eighty-one million, eight hundred seventy-six thousand, nine hundred eighty-two".