73471501944 has 96 divisors (see below), whose sum is σ = 207779644800. Its totient is φ = 23409587520.

The previous prime is 73471501889. The next prime is 73471501951. The reversal of 73471501944 is 44910517437.

It is a happy number.

73471501944 is a `hidden beast` number, since 7 + 34 + 71 + 501 + 9 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 73471501944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2520847 + ... + 2549825.

It is an arithmetic number, because the mean of its divisors is an integer number (2164371300).

Almost surely, 2^73471501944 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 73471501944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103889822400).

73471501944 is an abundant number, since it is smaller than the sum of its proper divisors (134308142856).

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

73471501944 is a wasteful number, since it uses less digits than its factorization.

73471501944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30545 (or 30538 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 73471501944 in words is "seventy-three billion, four hundred seventy-one million, five hundred one thousand, nine hundred forty-four".