72948671 has 2 divisors, whose sum is σ = 72948672. Its totient is φ = 72948670.

The previous prime is 72948647. The next prime is 72948703. The reversal of 72948671 is 17684927.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72948671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72948971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36474335 + 36474336.

It is an arithmetic number, because the mean of its divisors is an integer number (36474336).

Almost surely, 2^72948671 is an apocalyptic number.

72948671 is a deficient number, since it is larger than the sum of its proper divisors (1).

72948671 is an equidigital number, since it uses as much as digits as its factorization.

72948671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 72948671 is about 8540.9994145884. Note that the first 3 decimals coincide. The cubic root of 72948671 is about 417.8359417383.

The spelling of 72948671 in words is "seventy-two million, nine hundred forty-eight thousand, six hundred seventy-one".