67752913 has 2 divisors, whose sum is σ = 67752914. Its totient is φ = 67752912.

The previous prime is 67752877. The next prime is 67752931. The reversal of 67752913 is 31925776.

Together with next prime (67752931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64192144 + 3560769 = 8012^2 + 1887^2 .

It is a cyclic number.

It is not a de Polignac number, because 67752913 - 2²⁵ = 34198481 is a prime.

It is not a weakly prime, because it can be changed into another prime (67752943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33876456 + 33876457.

It is an arithmetic number, because the mean of its divisors is an integer number (33876457).

Almost surely, 2^67752913 is an apocalyptic number.

It is an amenable number.

67752913 is a deficient number, since it is larger than the sum of its proper divisors (1).

67752913 is an equidigital number, since it uses as much as digits as its factorization.

67752913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 67752913 is about 8231.2157668233. The cubic root of 67752913 is about 407.6705357206.

The spelling of 67752913 in words is "sixty-seven million, seven hundred fifty-two thousand, nine hundred thirteen".