67671469 has 2 divisors, whose sum is σ = 67671470. Its totient is φ = 67671468.

The previous prime is 67671437. The next prime is 67671473. The reversal of 67671469 is 96417676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 22915369 = 6690^2 + 4787^2 .

It is a cyclic number.

It is not a de Polignac number, because 67671469 - 2⁵ = 67671437 is a prime.

It is a super-2 number, since 2×67671469² = 9158855433235922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67675469) 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, 33835734 + 33835735.

It is an arithmetic number, because the mean of its divisors is an integer number (33835735).

Almost surely, 2^67671469 is an apocalyptic number.

It is an amenable number.

67671469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67671469 is an equidigital number, since it uses as much as digits as its factorization.

67671469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 67671469 is about 8226.2670148738. The cubic root of 67671469 is about 407.5071202038.

The spelling of 67671469 in words is "sixty-seven million, six hundred seventy-one thousand, four hundred sixty-nine".