73055782000 has 80 divisors (see below), whose sum is σ = 177142680000. Its totient is φ = 29140627200.

The previous prime is 73055781989. The next prime is 73055782039. The reversal of 73055782000 is 28755037.

It is a tau number, because it is divible by the number of its divisors (80).

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, 667126 + ... + 768874.

It is an arithmetic number, because the mean of its divisors is an integer number (2214283500).

Almost surely, 2^73055782000 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 73055782000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88571340000).

73055782000 is an abundant number, since it is smaller than the sum of its proper divisors (104086898000).

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

73055782000 is a wasteful number, since it uses less digits than its factorization.

73055782000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102131 (or 102115 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 73055782000 in words is "seventy-three billion, fifty-five million, seven hundred eighty-two thousand".