74686027187232 has 144 divisors (see below), whose sum is σ = 226059219090432. Its totient is φ = 23308235274240.

The previous prime is 74686027187231. The next prime is 74686027187243. The reversal of 74686027187232 is 23278172068647.

74686027187232 is a `hidden beast` number, since 7 + 4 + 6 + 8 + 602 + 7 + 18 + 7 + 2 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 74686027187232.

It is not an unprimeable number, because it can be changed into a prime (74686027187231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38998108 + ... + 40868379.

It is an arithmetic number, because the mean of its divisors is an integer number (1569855688128).

Almost surely, 2^{74686027187232} is an apocalyptic number.

74686027187232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74686027187232 is an abundant number, since it is smaller than the sum of its proper divisors (151373191903200).

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

74686027187232 is a wasteful number, since it uses less digits than its factorization.

74686027187232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79866711 (or 79866700 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 74686027187232 in words is "seventy-four trillion, six hundred eighty-six billion, twenty-seven million, one hundred eighty-seven thousand, two hundred thirty-two".