73412412872 has 8 divisors (see below), whose sum is σ = 137648274150. Its totient is φ = 36706206432.

The previous prime is 73412412869. The next prime is 73412412947. The reversal of 73412412872 is 27821421437.

It can be written as a sum of positive squares in only one way, i.e., 73112915236 + 299497636 = 270394^2 + 17306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4588275797 + ... + 4588275812.

Almost surely, 2^73412412872 is an apocalyptic number.

It is an amenable number.

73412412872 is a deficient number, since it is larger than the sum of its proper divisors (64235861278).

73412412872 is a wasteful number, since it uses less digits than its factorization.

73412412872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176551615 (or 9176551611 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The spelling of 73412412872 in words is "seventy-three billion, four hundred twelve million, four hundred twelve thousand, eight hundred seventy-two".