68264919 has 6 divisors (see below), whose sum is σ = 98604896. Its totient is φ = 45509940.

The previous prime is 68264909. The next prime is 68264921. The reversal of 68264919 is 91946286.

It is a happy number.

It is not a de Polignac number, because 68264919 - 2⁵ = 68264887 is a prime.

It is a super-2 number, since 2×68264919² = 9320198332153122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68264909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3792487 + ... + 3792504.

Almost surely, 2^68264919 is an apocalyptic number.

68264919 is a deficient number, since it is larger than the sum of its proper divisors (30339977).

68264919 is a wasteful number, since it uses less digits than its factorization.

68264919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584997 (or 7584994 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 68264919 is about 8262.2587105464. The cubic root of 68264919 is about 408.6948762743.

The spelling of 68264919 in words is "sixty-eight million, two hundred sixty-four thousand, nine hundred nineteen".