72680470937 has 2 divisors, whose sum is σ = 72680470938. Its totient is φ = 72680470936.

The previous prime is 72680470931. The next prime is 72680470939. The reversal of 72680470937 is 73907408627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56805478921 + 15874992016 = 238339^2 + 125996^2 .

It is a cyclic number.

It is not a de Polignac number, because 72680470937 - 2⁴ = 72680470921 is a prime.

Together with 72680470939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72680470931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36340235468 + 36340235469.

It is an arithmetic number, because the mean of its divisors is an integer number (36340235469).

Almost surely, 2^72680470937 is an apocalyptic number.

It is an amenable number.

72680470937 is a deficient number, since it is larger than the sum of its proper divisors (1).

72680470937 is an equidigital number, since it uses as much as digits as its factorization.

72680470937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 72680470937 in words is "seventy-two billion, six hundred eighty million, four hundred seventy thousand, nine hundred thirty-seven".