73071158912 has 64 divisors (see below), whose sum is σ = 148019788800. Its totient is φ = 35926216704.

The previous prime is 73071158899. The next prime is 73071158957. The reversal of 73071158912 is 21985117037.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817039 + ... + 1856817.

It is an arithmetic number, because the mean of its divisors is an integer number (2312809200).

Almost surely, 2^73071158912 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 73071158912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74009894400).

73071158912 is an abundant number, since it is smaller than the sum of its proper divisors (74948629888).

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

73071158912 is a wasteful number, since it uses less digits than its factorization.

73071158912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40033 (or 40021 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 73071158912 in words is "seventy-three billion, seventy-one million, one hundred fifty-eight thousand, nine hundred twelve".