73697064318156 has 24 divisors (see below), whose sum is σ = 172710732979120. Its totient is φ = 24458414357952.

The previous prime is 73697064318121. The next prime is 73697064318161. The reversal of 73697064318156 is 65181346079637.

It is a super-2 number, since 2×73697064318156² (a number of 29 digits) contains 22 as substring.

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, 13409215651 + ... + 13409221146.

Almost surely, 2^{73697064318156} is an apocalyptic number.

It is an amenable number.

73697064318156 is an abundant number, since it is smaller than the sum of its proper divisors (99013668660964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73697064318156 is a wasteful number, since it uses less digits than its factorization.

73697064318156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26818437033 (or 26818437031 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 66.

The spelling of 73697064318156 in words is "seventy-three trillion, six hundred ninety-seven billion, sixty-four million, three hundred eighteen thousand, one hundred fifty-six".