67240469 has 2 divisors, whose sum is σ = 67240470. Its totient is φ = 67240468.

The previous prime is 67240441. The next prime is 67240489. The reversal of 67240469 is 96404276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 4355569 = 7930^2 + 2087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67240469 is a prime.

It is a super-2 number, since 2×67240469² = 9042561342679922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67240489) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33620234 + 33620235.

It is an arithmetic number, because the mean of its divisors is an integer number (33620235).

Almost surely, 2^67240469 is an apocalyptic number.

It is an amenable number.

67240469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67240469 is an equidigital number, since it uses as much as digits as its factorization.

67240469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 67240469 is about 8200.0285975111. The cubic root of 67240469 is about 406.6401385395.

The spelling of 67240469 in words is "sixty-seven million, two hundred forty thousand, four hundred sixty-nine".