74098032064 has 224 divisors, whose sum is σ = 183143347200. Its totient is φ = 29660488704.

The previous prime is 74098032023. The next prime is 74098032083. The reversal of 74098032064 is 46023089047.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 74098032064.

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, 21708822 + ... + 21712234.

Almost surely, 2^74098032064 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 74098032064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91571673600).

74098032064 is an abundant number, since it is smaller than the sum of its proper divisors (109045315136).

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

74098032064 is a wasteful number, since it uses less digits than its factorization.

74098032064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 74098032064 in words is "seventy-four billion, ninety-eight million, thirty-two thousand, sixty-four".