73281484452 has 96 divisors (see below), whose sum is σ = 199463451264. Its totient is φ = 20693248000.

The previous prime is 73281484447. The next prime is 73281484453. The reversal of 73281484452 is 25448418237.

It is not an unprimeable number, because it can be changed into a prime (73281484453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64978 + ... + 388310.

It is an arithmetic number, because the mean of its divisors is an integer number (2077744284).

Almost surely, 2^73281484452 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 73281484452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99731725632).

73281484452 is an abundant number, since it is smaller than the sum of its proper divisors (126181966812).

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

73281484452 is a wasteful number, since it uses less digits than its factorization.

73281484452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323469 (or 323467 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The spelling of 73281484452 in words is "seventy-three billion, two hundred eighty-one million, four hundred eighty-four thousand, four hundred fifty-two".