73073803068 has 144 divisors (see below), whose sum is σ = 223689682944. Its totient is φ = 19635171840.

The previous prime is 73073803021. The next prime is 73073803069. The reversal of 73073803068 is 86030837037.

73073803068 is a `hidden beast` number, since 7 + 307 + 38 + 0 + 306 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73073803069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6364573 + ... + 6376043.

It is an arithmetic number, because the mean of its divisors is an integer number (1553400576).

Almost surely, 2^73073803068 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 73073803068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111844841472).

73073803068 is an abundant number, since it is smaller than the sum of its proper divisors (150615879876).

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

73073803068 is a wasteful number, since it uses less digits than its factorization.

73073803068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12992 (or 12987 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 73073803068 in words is "seventy-three billion, seventy-three million, eight hundred three thousand, sixty-eight".