74927109888 has 288 divisors, whose sum is σ = 230434182720. Its totient is φ = 24293965824.

The previous prime is 74927109883. The next prime is 74927109899. The reversal of 74927109888 is 88890172947.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×74927109888² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74927109883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20713456 + ... + 20717072.

It is an arithmetic number, because the mean of its divisors is an integer number (800118690).

Almost surely, 2^74927109888 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 74927109888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115217091360).

74927109888 is an abundant number, since it is smaller than the sum of its proper divisors (155507072832).

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

74927109888 is an frugal number, since it uses more digits than its factorization.

74927109888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 74927109888 in words is "seventy-four billion, nine hundred twenty-seven million, one hundred nine thousand, eight hundred eighty-eight".