73507216305 has 16 divisors (see below), whose sum is σ = 117926867520. Its totient is φ = 39098741568.

The previous prime is 73507216267. The next prime is 73507216361. The reversal of 73507216305 is 50361270537.

It is not a de Polignac number, because 73507216305 - 2¹⁰ = 73507215281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6563415 + ... + 6574604.

It is an arithmetic number, because the mean of its divisors is an integer number (7370429220).

Almost surely, 2^73507216305 is an apocalyptic number.

It is an amenable number.

73507216305 is a deficient number, since it is larger than the sum of its proper divisors (44419651215).

73507216305 is a wasteful number, since it uses less digits than its factorization.

73507216305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138400.

The product of its (nonzero) digits is 132300, while the sum is 39.

The spelling of 73507216305 in words is "seventy-three billion, five hundred seven million, two hundred sixteen thousand, three hundred five".