72457067 has 2 divisors, whose sum is σ = 72457068. Its totient is φ = 72457066.

The previous prime is 72457057. The next prime is 72457117. The reversal of 72457067 is 76075427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72457067 - 2¹⁸ = 72194923 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72457067.

It is not a weakly prime, because it can be changed into another prime (72457027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36228533 + 36228534.

It is an arithmetic number, because the mean of its divisors is an integer number (36228534).

Almost surely, 2^72457067 is an apocalyptic number.

72457067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72457067 is an equidigital number, since it uses as much as digits as its factorization.

72457067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 72457067 is about 8512.1716970465. The cubic root of 72457067 is about 416.8952210258.

The spelling of 72457067 in words is "seventy-two million, four hundred fifty-seven thousand, sixty-seven".