73140474484 has 96 divisors (see below), whose sum is σ = 171281730816. Its totient is φ = 26452500480.

The previous prime is 73140474427. The next prime is 73140474487. The reversal of 73140474484 is 48447404137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73140474487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286552 + ... + 477904.

It is an arithmetic number, because the mean of its divisors is an integer number (1784184696).

Almost surely, 2^73140474484 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 73140474484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85640865408).

73140474484 is an abundant number, since it is smaller than the sum of its proper divisors (98141256332).

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

73140474484 is a wasteful number, since it uses less digits than its factorization.

73140474484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191465 (or 191463 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 46.

The spelling of 73140474484 in words is "seventy-three billion, one hundred forty million, four hundred seventy-four thousand, four hundred eighty-four".