73134081836 has 24 divisors (see below), whose sum is σ = 129044655600. Its totient is φ = 36264946752.

The previous prime is 73134081827. The next prime is 73134081871. The reversal of 73134081836 is 63818043137.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287810 + ... + 478646.

It is an arithmetic number, because the mean of its divisors is an integer number (5376860650).

Almost surely, 2^73134081836 is an apocalyptic number.

It is an amenable number.

73134081836 is a deficient number, since it is larger than the sum of its proper divisors (55910573764).

73134081836 is a wasteful number, since it uses less digits than its factorization.

73134081836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191633 (or 191631 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 73134081836 in words is "seventy-three billion, one hundred thirty-four million, eighty-one thousand, eight hundred thirty-six".