73140793918 has 64 divisors (see below), whose sum is σ = 117899712000. Its totient is φ = 33963076224.

The previous prime is 73140793879. The next prime is 73140793927. The reversal of 73140793918 is 81939704137.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 107087205 + ... + 107087887.

It is an arithmetic number, because the mean of its divisors is an integer number (1842183000).

Almost surely, 2^73140793918 is an apocalyptic number.

73140793918 is a deficient number, since it is larger than the sum of its proper divisors (44758918082).

73140793918 is a wasteful number, since it uses less digits than its factorization.

73140793918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 73140793918 in words is "seventy-three billion, one hundred forty million, seven hundred ninety-three thousand, nine hundred eighteen".