68669469 has 48 divisors (see below), whose sum is σ = 112117824. Its totient is φ = 40147200.

The previous prime is 68669459. The next prime is 68669473. The reversal of 68669469 is 96496686.

It is a happy number.

It is not a de Polignac number, because 68669469 - 2⁵ = 68669437 is a prime.

It is a super-2 number, since 2×68669469² = 9430991945483922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68669429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 501169 + ... + 501305.

It is an arithmetic number, because the mean of its divisors is an integer number (2335788).

Almost surely, 2^68669469 is an apocalyptic number.

It is an amenable number.

68669469 is a deficient number, since it is larger than the sum of its proper divisors (43448355).

68669469 is a wasteful number, since it uses less digits than its factorization.

68669469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 68669469 is about 8286.7043509468. The cubic root of 68669469 is about 409.5006194447.

The spelling of 68669469 in words is "sixty-eight million, six hundred sixty-nine thousand, four hundred sixty-nine".