74612536038 has 48 divisors (see below), whose sum is σ = 168870121056. Its totient is φ = 23763991680.

The previous prime is 74612536007. The next prime is 74612536057. The reversal of 74612536038 is 83063521647.

74612536038 is a `hidden beast` number, since 74 + 6 + 12 + 536 + 0 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74612535984 and 74612536002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291748 + ... + 484088.

It is an arithmetic number, because the mean of its divisors is an integer number (3518127522).

Almost surely, 2^74612536038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74612536038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84435060528).

74612536038 is an abundant number, since it is smaller than the sum of its proper divisors (94257585018).

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

74612536038 is a wasteful number, since it uses less digits than its factorization.

74612536038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193309 (or 193306 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 74612536038 in words is "seventy-four billion, six hundred twelve million, five hundred thirty-six thousand, thirty-eight".