73127272728 has 16 divisors (see below), whose sum is σ = 182818181880. Its totient is φ = 24375757568.

The previous prime is 73127272717. The next prime is 73127272769. The reversal of 73127272728 is 82727272137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523484825 + ... + 1523484872.

Almost surely, 2^73127272728 is an apocalyptic number.

It is an amenable number.

73127272728 is an abundant number, since it is smaller than the sum of its proper divisors (109690909152).

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

73127272728 is a wasteful number, since it uses less digits than its factorization.

73127272728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046969706 (or 3046969702 counting only the distinct ones).

The product of its digits is 921984, while the sum is 48.

The spelling of 73127272728 in words is "seventy-three billion, one hundred twenty-seven million, two hundred seventy-two thousand, seven hundred twenty-eight".