72643361176316 has 24 divisors (see below), whose sum is σ = 145288324408416. Its totient is φ = 31132525777920.

The previous prime is 72643361176313. The next prime is 72643361176319. The reversal of 72643361176316 is 61367116334627.

It is an interprime number because it is at equal distance from previous prime (72643361176313) and next prime (72643361176319).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72643361176313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11711225 + ... + 16805936.

It is an arithmetic number, because the mean of its divisors is an integer number (6053680183684).

Almost surely, 2^{72643361176316} is an apocalyptic number.

It is an amenable number.

72643361176316 is an abundant number, since it is smaller than the sum of its proper divisors (72644963232100).

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

72643361176316 is a wasteful number, since it uses less digits than its factorization.

72643361176316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608149 (or 28608147 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 56.

The spelling of 72643361176316 in words is "seventy-two trillion, six hundred forty-three billion, three hundred sixty-one million, one hundred seventy-six thousand, three hundred sixteen".