73489275552 has 384 divisors, whose sum is σ = 261351014400. Its totient is φ = 17499110400.

The previous prime is 73489275527. The next prime is 73489275593. The reversal of 73489275552 is 25557298437.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 73489275492 and 73489275501.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4345449 + ... + 4362327.

It is an arithmetic number, because the mean of its divisors is an integer number (680601600).

Almost surely, 2^73489275552 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 73489275552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130675507200).

73489275552 is an abundant number, since it is smaller than the sum of its proper divisors (187861738848).

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

73489275552 is a wasteful number, since it uses less digits than its factorization.

73489275552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16960 (or 16952 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 57.

The spelling of 73489275552 in words is "seventy-three billion, four hundred eighty-nine million, two hundred seventy-five thousand, five hundred fifty-two".