67298669 has 2 divisors, whose sum is σ = 67298670. Its totient is φ = 67298668.

The previous prime is 67298653. The next prime is 67298701. The reversal of 67298669 is 96689276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 31753225 = 5962^2 + 5635^2 .

It is a cyclic number.

It is not a de Polignac number, because 67298669 - 2⁴ = 67298653 is a prime.

It is a super-2 number, since 2×67298669² = 9058221698343122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67298669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67298629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33649334 + 33649335.

It is an arithmetic number, because the mean of its divisors is an integer number (33649335).

Almost surely, 2^67298669 is an apocalyptic number.

It is an amenable number.

67298669 is a deficient number, since it is larger than the sum of its proper divisors (1).

67298669 is an equidigital number, since it uses as much as digits as its factorization.

67298669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 67298669 is about 8203.5765980455. The cubic root of 67298669 is about 406.7574271878.

The spelling of 67298669 in words is "sixty-seven million, two hundred ninety-eight thousand, six hundred sixty-nine".