73725498887280 has 640 divisors, whose sum is σ = 260811407001600. Its totient is φ = 17127269203968.

The previous prime is 73725498887279. The next prime is 73725498887323. The reversal of 73725498887280 is 8278889452737.

It is a junction number, because it is equal to n+sod(n) for n = 73725498887196 and 73725498887205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 708622144 + ... + 708726176.

It is an arithmetic number, because the mean of its divisors is an integer number (407517823440).

Almost surely, 2^{73725498887280} 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 73725498887280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130405703500800).

73725498887280 is an abundant number, since it is smaller than the sum of its proper divisors (187085908114320).

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

73725498887280 is a wasteful number, since it uses less digits than its factorization.

73725498887280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104353 (or 104347 counting only the distinct ones).

The product of its (nonzero) digits is 3034644480, while the sum is 78.

The spelling of 73725498887280 in words is "seventy-three trillion, seven hundred twenty-five billion, four hundred ninety-eight million, eight hundred eighty-seven thousand, two hundred eighty".