73048521728 has 176 divisors, whose sum is σ = 182017274880. Its totient is φ = 28529639424.

The previous prime is 73048521697. The next prime is 73048521731. The reversal of 73048521728 is 82712584037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7356575 + ... + 7366497.

Almost surely, 2^73048521728 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 73048521728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91008637440).

73048521728 is an abundant number, since it is smaller than the sum of its proper divisors (108968753152).

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

73048521728 is a wasteful number, since it uses less digits than its factorization.

73048521728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 73048521728 in words is "seventy-three billion, forty-eight million, five hundred twenty-one thousand, seven hundred twenty-eight".