67025669 has 2 divisors, whose sum is σ = 67025670. Its totient is φ = 67025668.

The previous prime is 67025663. The next prime is 67025681. The reversal of 67025669 is 96652076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58828900 + 8196769 = 7670^2 + 2863^2 .

It is a cyclic number.

It is not a de Polignac number, because 67025669 - 2¹⁶ = 66960133 is a prime.

It is a super-2 number, since 2×67025669² = 8984880609795122, 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 (67025663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33512834 + 33512835.

It is an arithmetic number, because the mean of its divisors is an integer number (33512835).

Almost surely, 2^67025669 is an apocalyptic number.

It is an amenable number.

67025669 is a deficient number, since it is larger than the sum of its proper divisors (1).

67025669 is an equidigital number, since it uses as much as digits as its factorization.

67025669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 67025669 is about 8186.9206054536. The cubic root of 67025669 is about 406.2066720181.

The spelling of 67025669 in words is "sixty-seven million, twenty-five thousand, six hundred sixty-nine".