72270510671 has 2 divisors, whose sum is σ = 72270510672. Its totient is φ = 72270510670.

The previous prime is 72270510527. The next prime is 72270510677. The reversal of 72270510671 is 17601507227.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72270510671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72270510677) by changing a digit.

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 as a sum of consecutive naturals, namely, 36135255335 + 36135255336.

It is an arithmetic number, because the mean of its divisors is an integer number (36135255336).

Almost surely, 2^72270510671 is an apocalyptic number.

72270510671 is a deficient number, since it is larger than the sum of its proper divisors (1).

72270510671 is an equidigital number, since it uses as much as digits as its factorization.

72270510671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 72270510671 in words is "seventy-two billion, two hundred seventy million, five hundred ten thousand, six hundred seventy-one".