73164449407 has 16 divisors (see below), whose sum is σ = 84748384512. Its totient is φ = 61868350080.

The previous prime is 73164449311. The next prime is 73164449419. The reversal of 73164449407 is 70494446137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73164449407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73164449467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22153 + ... + 383170.

It is an arithmetic number, because the mean of its divisors is an integer number (5296774032).

Almost surely, 2^73164449407 is an apocalyptic number.

73164449407 is a deficient number, since it is larger than the sum of its proper divisors (11583935105).

73164449407 is a wasteful number, since it uses less digits than its factorization.

73164449407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405678.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 73164449407 in words is "seventy-three billion, one hundred sixty-four million, four hundred forty-nine thousand, four hundred seven".