73472851584 has 384 divisors, whose sum is σ = 243797299200. Its totient is φ = 21020313600.

The previous prime is 73472851579. The next prime is 73472851609. The reversal of 73472851584 is 48515827437.

73472851584 is a `hidden beast` number, since 7 + 3 + 4 + 7 + 2 + 8 + 51 + 584 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 73472851584.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23023429 + ... + 23026619.

It is an arithmetic number, because the mean of its divisors is an integer number (634888800).

Almost surely, 2^73472851584 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 73472851584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121898649600).

73472851584 is an abundant number, since it is smaller than the sum of its proper divisors (170324447616).

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

73472851584 is a wasteful number, since it uses less digits than its factorization.

73472851584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324 (or 3309 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The spelling of 73472851584 in words is "seventy-three billion, four hundred seventy-two million, eight hundred fifty-one thousand, five hundred eighty-four".