74590424064 has 396 divisors, whose sum is σ = 236439160776. Its totient is φ = 22635085824.

The previous prime is 74590424021. The next prime is 74590424087. The reversal of 74590424064 is 46042409547.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 129272544 + ... + 129273120.

Almost surely, 2^74590424064 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 74590424064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118219580388).

74590424064 is an abundant number, since it is smaller than the sum of its proper divisors (161848736712).

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

74590424064 is a wasteful number, since it uses less digits than its factorization.

74590424064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 74590424064 in words is "seventy-four billion, five hundred ninety million, four hundred twenty-four thousand, sixty-four".