74362017636 has 81 divisors (see below), whose sum is σ = 192253939059. Its totient is φ = 24234861168.

The previous prime is 74362017617. The next prime is 74362017637. The reversal of 74362017636 is 63671026347.

The square root of 74362017636 is 272694.

It is a perfect power (a square), and thus also a powerful number.

74362017636 is a `hidden beast` number, since 7 + 4 + 3 + 6 + 2 + 0 + 1 + 7 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74362017591 and 74362017600.

It is not an unprimeable number, because it can be changed into a prime (74362017637) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 76899225 + ... + 76900191.

Almost surely, 2^74362017636 is an apocalyptic number.

74362017636 is the 272694-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74362017636

74362017636 is an abundant number, since it is smaller than the sum of its proper divisors (117891921423).

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

74362017636 is an equidigital number, since it uses as much as digits as its factorization.

74362017636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 74362017636 in words is "seventy-four billion, three hundred sixty-two million, seventeen thousand, six hundred thirty-six".