74008148820 has 96 divisors (see below), whose sum is σ = 212953732992. Its totient is φ = 19193653248.

The previous prime is 74008148743. The next prime is 74008148873. The reversal of 74008148820 is 2884180047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539584 + ... + 662696.

It is an arithmetic number, because the mean of its divisors is an integer number (2218268052).

Almost surely, 2^74008148820 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 74008148820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106476866496).

74008148820 is an abundant number, since it is smaller than the sum of its proper divisors (138945584172).

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

74008148820 is a wasteful number, since it uses less digits than its factorization.

74008148820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123401 (or 123399 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 74008148820 in words is "seventy-four billion, eight million, one hundred forty-eight thousand, eight hundred twenty".