72865327 has 2 divisors, whose sum is σ = 72865328. Its totient is φ = 72865326.

The previous prime is 72865307. The next prime is 72865379. The reversal of 72865327 is 72356827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72865327 - 2¹¹ = 72863279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72865327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72865307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36432663 + 36432664.

It is an arithmetic number, because the mean of its divisors is an integer number (36432664).

Almost surely, 2^72865327 is an apocalyptic number.

72865327 is a deficient number, since it is larger than the sum of its proper divisors (1).

72865327 is an equidigital number, since it uses as much as digits as its factorization.

72865327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 72865327 is about 8536.1189659001. The cubic root of 72865327 is about 417.6767549710.

The spelling of 72865327 in words is "seventy-two million, eight hundred sixty-five thousand, three hundred twenty-seven".