73572303072 has 48 divisors (see below), whose sum is σ = 199786865040. Its totient is φ = 23678441472.

The previous prime is 73572303059. The next prime is 73572303107. The reversal of 73572303072 is 27030327537.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 73572303072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13210633 + ... + 13216200.

It is an arithmetic number, because the mean of its divisors is an integer number (4162226355).

Almost surely, 2^73572303072 is an apocalyptic number.

It is an amenable number.

73572303072 is an abundant number, since it is smaller than the sum of its proper divisors (126214561968).

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

73572303072 is a wasteful number, since it uses less digits than its factorization.

73572303072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26426875 (or 26426867 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 39.

The spelling of 73572303072 in words is "seventy-three billion, five hundred seventy-two million, three hundred three thousand, seventy-two".