67764341 has 2 divisors, whose sum is σ = 67764342. Its totient is φ = 67764340.

The previous prime is 67764313. The next prime is 67764343. The reversal of 67764341 is 14346776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 2961841 = 8050^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 67764341 - 2²² = 63570037 is a prime.

It is a super-2 number, since 2×67764341² = 9184011822328562, which contains 22 as substring.

Together with 67764343, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67764295 and 67764304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67764343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33882170 + 33882171.

It is an arithmetic number, because the mean of its divisors is an integer number (33882171).

Almost surely, 2^67764341 is an apocalyptic number.

It is an amenable number.

67764341 is a deficient number, since it is larger than the sum of its proper divisors (1).

67764341 is an equidigital number, since it uses as much as digits as its factorization.

67764341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 67764341 is about 8231.9099241913. The cubic root of 67764341 is about 407.6934552614.

The spelling of 67764341 in words is "sixty-seven million, seven hundred sixty-four thousand, three hundred forty-one".