74673215135736 has 256 divisors, whose sum is σ = 228649933209600. Its totient is φ = 19836001376256.

The previous prime is 74673215135731. The next prime is 74673215135759. The reversal of 74673215135736 is 63753151237647.

It is a self number, because there is not a number n which added to its sum of digits gives 74673215135736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74673215135731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3618053305 + ... + 3618073943.

It is an arithmetic number, because the mean of its divisors is an integer number (893163801600).

Almost surely, 2^{74673215135736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74673215135736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114324966604800).

74673215135736 is an abundant number, since it is smaller than the sum of its proper divisors (153976718073864).

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

74673215135736 is a wasteful number, since it uses less digits than its factorization.

74673215135736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36018 (or 36014 counting only the distinct ones).

The product of its digits is 66679200, while the sum is 60.

The spelling of 74673215135736 in words is "seventy-four trillion, six hundred seventy-three billion, two hundred fifteen million, one hundred thirty-five thousand, seven hundred thirty-six".