74811359136 has 96 divisors (see below), whose sum is σ = 201280500288. Its totient is φ = 24315484160.

The previous prime is 74811359113. The next prime is 74811359149. The reversal of 74811359136 is 63195311847.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 9178615 + ... + 9186761.

It is an arithmetic number, because the mean of its divisors is an integer number (2096671878).

Almost surely, 2^74811359136 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 74811359136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100640250144).

74811359136 is an abundant number, since it is smaller than the sum of its proper divisors (126469141152).

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

74811359136 is a wasteful number, since it uses less digits than its factorization.

74811359136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534 (or 10526 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The spelling of 74811359136 in words is "seventy-four billion, eight hundred eleven million, three hundred fifty-nine thousand, one hundred thirty-six".