73691202272164 has 27 divisors (see below), whose sum is σ = 130534577997313. Its totient is φ = 36400974313472.

The previous prime is 73691202272137. The next prime is 73691202272183. The reversal of 73691202272164 is 46127220219637.

The square root of 73691202272164 is 8584358.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 49691079656100 + 24000122616064 = 7049190^2 + 4898992^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1424977572 + ... + 1425029284.

Almost surely, 2^{73691202272164} is an apocalyptic number.

73691202272164 is the 8584358-th square number.

It is an amenable number.

73691202272164 is a deficient number, since it is larger than the sum of its proper divisors (56843375725149).

73691202272164 is an frugal number, since it uses more digits than its factorization.

73691202272164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103596 (or 51798 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 73691202272164 in words is "seventy-three trillion, six hundred ninety-one billion, two hundred two million, two hundred seventy-two thousand, one hundred sixty-four".