72840970895716 has 12 divisors (see below), whose sum is σ = 127532026436332. Its totient is φ = 36403249056768.

The previous prime is 72840970895689. The next prime is 72840970895851. The reversal of 72840970895716 is 61759807904827.

It can be written as a sum of positive squares in 2 ways, for example, as 23000618442816 + 49840352452900 = 4795896^2 + 7059770^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309088265 + ... + 4309105168.

Almost surely, 2^{72840970895716} is an apocalyptic number.

It is an amenable number.

72840970895716 is a deficient number, since it is larger than the sum of its proper divisors (54691055540616).

72840970895716 is a wasteful number, since it uses less digits than its factorization.

72840970895716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618195550 (or 8618195548 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 73.

The spelling of 72840970895716 in words is "seventy-two trillion, eight hundred forty billion, nine hundred seventy million, eight hundred ninety-five thousand, seven hundred sixteen".