73017247572472 has 128 divisors (see below), whose sum is σ = 158781901824000. Its totient is φ = 30832944192000.

The previous prime is 73017247572469. The next prime is 73017247572509. The reversal of 73017247572472 is 27427574271037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4012148029 + ... + 4012166227.

It is an arithmetic number, because the mean of its divisors is an integer number (1240483608000).

Almost surely, 2^{73017247572472} 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 73017247572472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79390950912000).

73017247572472 is an abundant number, since it is smaller than the sum of its proper divisors (85764654251528).

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

73017247572472 is a wasteful number, since it uses less digits than its factorization.

73017247572472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717 (or 21713 counting only the distinct ones).

The product of its (nonzero) digits is 32269440, while the sum is 58.

The spelling of 73017247572472 in words is "seventy-three trillion, seventeen billion, two hundred forty-seven million, five hundred seventy-two thousand, four hundred seventy-two".