67712093 has 2 divisors, whose sum is σ = 67712094. Its totient is φ = 67712092.

The previous prime is 67712089. The next prime is 67712119. The reversal of 67712093 is 39021776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67190809 + 521284 = 8197^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 67712093 - 2² = 67712089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67715093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33856046 + 33856047.

It is an arithmetic number, because the mean of its divisors is an integer number (33856047).

Almost surely, 2^67712093 is an apocalyptic number.

It is an amenable number.

67712093 is a deficient number, since it is larger than the sum of its proper divisors (1).

67712093 is an equidigital number, since it uses as much as digits as its factorization.

67712093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 67712093 is about 8228.7358081299. The cubic root of 67712093 is about 407.5886477070.

The spelling of 67712093 in words is "sixty-seven million, seven hundred twelve thousand, ninety-three".