73911959457 has 32 divisors (see below), whose sum is σ = 119326701312. Its totient is φ = 39726372864.

The previous prime is 73911959449. The next prime is 73911959477. The reversal of 73911959457 is 75495911937.

It is not a de Polignac number, because 73911959457 - 2³ = 73911959449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73911959457.

It is not an unprimeable number, because it can be changed into a prime (73911959447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521173 + ... + 647645.

It is an arithmetic number, because the mean of its divisors is an integer number (3728959416).

Almost surely, 2^73911959457 is an apocalyptic number.

It is an amenable number.

73911959457 is a deficient number, since it is larger than the sum of its proper divisors (45414741855).

73911959457 is a wasteful number, since it uses less digits than its factorization.

73911959457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128137.

The product of its digits is 10716300, while the sum is 60.

The spelling of 73911959457 in words is "seventy-three billion, nine hundred eleven million, nine hundred fifty-nine thousand, four hundred fifty-seven".