72942364687184 has 10 divisors (see below), whose sum is σ = 141325831581450. Its totient is φ = 36471182343584.

The previous prime is 72942364687169. The next prime is 72942364687189. The reversal of 72942364687184 is 48178646324927.

It can be written as a sum of positive squares in only one way, i.e., 46642616611600 + 26299748075584 = 6829540^2 + 5128328^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72942364687189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279448896459 + ... + 2279448896490.

It is an arithmetic number, because the mean of its divisors is an integer number (14132583158145).

Almost surely, 2^{72942364687184} is an apocalyptic number.

It is an amenable number.

72942364687184 is a deficient number, since it is larger than the sum of its proper divisors (68383466894266).

72942364687184 is a wasteful number, since it uses less digits than its factorization.

72942364687184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558897792957 (or 4558897792951 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 71.

The spelling of 72942364687184 in words is "seventy-two trillion, nine hundred forty-two billion, three hundred sixty-four million, six hundred eighty-seven thousand, one hundred eighty-four".