72068753 has 2 divisors, whose sum is σ = 72068754. Its totient is φ = 72068752.

The previous prime is 72068747. The next prime is 72068783. The reversal of 72068753 is 35786027.

It is a happy number.

72068753 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 28601104 = 6593^2 + 5348^2 .

It is an emirp because it is prime and its reverse (35786027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72068753 - 2¹⁰ = 72067729 is a prime.

It is not a weakly prime, because it can be changed into another prime (72068723) 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, 36034376 + 36034377.

It is an arithmetic number, because the mean of its divisors is an integer number (36034377).

Almost surely, 2^72068753 is an apocalyptic number.

It is an amenable number.

72068753 is a deficient number, since it is larger than the sum of its proper divisors (1).

72068753 is an equidigital number, since it uses as much as digits as its factorization.

72068753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 72068753 is about 8489.3317169257. The cubic root of 72068753 is about 416.1491410052.

The spelling of 72068753 in words is "seventy-two million, sixty-eight thousand, seven hundred fifty-three".