67748873 has 2 divisors, whose sum is σ = 67748874. Its totient is φ = 67748872.

The previous prime is 67748861. The next prime is 67748911. The reversal of 67748873 is 37884776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 16024009 = 7192^2 + 4003^2 .

It is a cyclic number.

It is not a de Polignac number, because 67748873 - 2⁶ = 67748809 is a prime.

It is not a weakly prime, because it can be changed into another prime (67748803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33874436 + 33874437.

It is an arithmetic number, because the mean of its divisors is an integer number (33874437).

Almost surely, 2^67748873 is an apocalyptic number.

It is an amenable number.

67748873 is a deficient number, since it is larger than the sum of its proper divisors (1).

67748873 is an equidigital number, since it uses as much as digits as its factorization.

67748873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 50.

The square root of 67748873 is about 8230.9703559179. The cubic root of 67748873 is about 407.6624326412.

The spelling of 67748873 in words is "sixty-seven million, seven hundred forty-eight thousand, eight hundred seventy-three".