67264669 has 2 divisors, whose sum is σ = 67264670. Its totient is φ = 67264668.

The previous prime is 67264667. The next prime is 67264679. The reversal of 67264669 is 96646276.

67264669 = T₆₆₉₅ + T₆₆₉₆ + T₆₆₉₇.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55279225 + 11985444 = 7435^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 67264669 - 2¹ = 67264667 is a prime.

It is a super-2 number, since 2×67264669² = 9049071391359122, which contains 22 as substring.

Together with 67264667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67264667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33632334 + 33632335.

It is an arithmetic number, because the mean of its divisors is an integer number (33632335).

Almost surely, 2^67264669 is an apocalyptic number.

67264669 is the 6697-th centered triangular number.

It is an amenable number.

67264669 is a deficient number, since it is larger than the sum of its proper divisors (1).

67264669 is an equidigital number, since it uses as much as digits as its factorization.

67264669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 67264669 is about 8201.5040693765. The cubic root of 67264669 is about 406.6889162630.

It can be divided in two parts, 672 and 64669, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 67264669 in words is "sixty-seven million, two hundred sixty-four thousand, six hundred sixty-nine".