73415546672 has 80 divisors (see below), whose sum is σ = 155842525440. Its totient is φ = 33297177600.

The previous prime is 73415546669. The next prime is 73415546681. The reversal of 73415546672 is 27664551437.

It is a super-2 number, since 2×73415546672² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73415546672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18256022 + ... + 18260042.

It is an arithmetic number, because the mean of its divisors is an integer number (1948031568).

Almost surely, 2^73415546672 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 73415546672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77921262720).

73415546672 is an abundant number, since it is smaller than the sum of its proper divisors (82426978768).

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

73415546672 is a wasteful number, since it uses less digits than its factorization.

73415546672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542 (or 5536 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 73415546672 in words is "seventy-three billion, four hundred fifteen million, five hundred forty-six thousand, six hundred seventy-two".