67669297 has 4 divisors (see below), whose sum is σ = 67701760. Its totient is φ = 67636836.

The previous prime is 67669253. The next prime is 67669307. The reversal of 67669297 is 79296676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67669297 - 2⁷ = 67669169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67669207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12873 + ... + 17350.

It is an arithmetic number, because the mean of its divisors is an integer number (16925440).

Almost surely, 2^67669297 is an apocalyptic number.

It is an amenable number.

67669297 is a deficient number, since it is larger than the sum of its proper divisors (32463).

67669297 is a wasteful number, since it uses less digits than its factorization.

67669297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32462.

The product of its digits is 1714608, while the sum is 52.

The square root of 67669297 is about 8226.1349976766. The cubic root of 67669297 is about 407.5027603411.

The spelling of 67669297 in words is "sixty-seven million, six hundred sixty-nine thousand, two hundred ninety-seven".