73574752064 has 224 divisors, whose sum is σ = 177463094400. Its totient is φ = 29867048960.

The previous prime is 73574752051. The next prime is 73574752133. The reversal of 73574752064 is 46025747537.

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, 20475452 + ... + 20479044.

Almost surely, 2^73574752064 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 73574752064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88731547200).

73574752064 is an abundant number, since it is smaller than the sum of its proper divisors (103888342336).

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

73574752064 is a wasteful number, since it uses less digits than its factorization.

73574752064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 73574752064 in words is "seventy-three billion, five hundred seventy-four million, seven hundred fifty-two thousand, sixty-four".