74941393536 has 256 divisors, whose sum is σ = 231965136000. Its totient is φ = 23786348544.

The previous prime is 74941393531. The next prime is 74941393543. The reversal of 74941393536 is 63539314947.

74941393536 is a `hidden beast` number, since 7 + 4 + 9 + 4 + 13 + 93 + 536 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (74941393531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7311231 + ... + 7321473.

Almost surely, 2^74941393536 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 74941393536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115982568000).

74941393536 is an abundant number, since it is smaller than the sum of its proper divisors (157023742464).

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

74941393536 is a wasteful number, since it uses less digits than its factorization.

74941393536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368 (or 10350 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The spelling of 74941393536 in words is "seventy-four billion, nine hundred forty-one million, three hundred ninety-three thousand, five hundred thirty-six".