72248867 has 2 divisors, whose sum is σ = 72248868. Its totient is φ = 72248866.

The previous prime is 72248857. The next prime is 72248881. The reversal of 72248867 is 76884227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72248867 - 2¹⁸ = 71986723 is a prime.

It is not a weakly prime, because it can be changed into another prime (72248857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36124433 + 36124434.

It is an arithmetic number, because the mean of its divisors is an integer number (36124434).

Almost surely, 2^72248867 is an apocalyptic number.

72248867 is a deficient number, since it is larger than the sum of its proper divisors (1).

72248867 is an equidigital number, since it uses as much as digits as its factorization.

72248867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 72248867 is about 8499.9333526799. The cubic root of 72248867 is about 416.4955321385.

The spelling of 72248867 in words is "seventy-two million, two hundred forty-eight thousand, eight hundred sixty-seven".