72963471907 has 2 divisors, whose sum is σ = 72963471908. Its totient is φ = 72963471906.

The previous prime is 72963471887. The next prime is 72963471967. The reversal of 72963471907 is 70917436927.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72963471907 is a prime.

It is not a weakly prime, because it can be changed into another prime (72963471967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36481735953 + 36481735954.

It is an arithmetic number, because the mean of its divisors is an integer number (36481735954).

Almost surely, 2^72963471907 is an apocalyptic number.

72963471907 is a deficient number, since it is larger than the sum of its proper divisors (1).

72963471907 is an equidigital number, since it uses as much as digits as its factorization.

72963471907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 72963471907 in words is "seventy-two billion, nine hundred sixty-three million, four hundred seventy-one thousand, nine hundred seven".