73447422048 has 1728 divisors, whose sum is σ = 316219438080. Its totient is φ = 15656509440.

The previous prime is 73447422007. The next prime is 73447422073. The reversal of 73447422048 is 84022474437.

It is a junction number, because it is equal to n+sod(n) for n = 73447421994 and 73447422012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1385800390 + ... + 1385800442.

It is an arithmetic number, because the mean of its divisors is an integer number (182997360).

Almost surely, 2^73447422048 is an apocalyptic number.

73447422048 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73447422048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158109719040).

73447422048 is an abundant number, since it is smaller than the sum of its proper divisors (242772016032).

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

73447422048 is a wasteful number, since it uses less digits than its factorization.

73447422048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 45.

The spelling of 73447422048 in words is "seventy-three billion, four hundred forty-seven million, four hundred twenty-two thousand, forty-eight".