74685637911712 has 48 divisors (see below), whose sum is σ = 155984286028032. Its totient is φ = 35078981299200.

The previous prime is 74685637911697. The next prime is 74685637911713. The reversal of 74685637911712 is 21711973658647.

It is not an unprimeable number, because it can be changed into a prime (74685637911713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130967664 + ... + 131536687.

It is an arithmetic number, because the mean of its divisors is an integer number (3249672625584).

Almost surely, 2^{74685637911712} is an apocalyptic number.

It is an amenable number.

74685637911712 is an abundant number, since it is smaller than the sum of its proper divisors (81298648116320).

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

74685637911712 is a wasteful number, since it uses less digits than its factorization.

74685637911712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262504901 (or 262504893 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 67.

The spelling of 74685637911712 in words is "seventy-four trillion, six hundred eighty-five billion, six hundred thirty-seven million, nine hundred eleven thousand, seven hundred twelve".