73047047073 has 64 divisors (see below), whose sum is σ = 131799908352. Its totient is φ = 34751566080.

The previous prime is 73047047009. The next prime is 73047047089. The reversal of 73047047073 is 37074074037.

It is not a de Polignac number, because 73047047073 - 2⁶ = 73047047009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73047045073) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 285615 + ... + 477147.

It is an arithmetic number, because the mean of its divisors is an integer number (2059373568).

Almost surely, 2^73047047073 is an apocalyptic number.

It is an amenable number.

73047047073 is a deficient number, since it is larger than the sum of its proper divisors (58752861279).

73047047073 is a wasteful number, since it uses less digits than its factorization.

73047047073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191694.

The product of its (nonzero) digits is 345744, while the sum is 42.

The spelling of 73047047073 in words is "seventy-three billion, forty-seven million, forty-seven thousand, seventy-three".