68568507 has 12 divisors (see below), whose sum is σ = 113192560. Its totient is φ = 39181968.

The previous prime is 68568503. The next prime is 68568509. The reversal of 68568507 is 70586586.

68568507 is a `hidden beast` number, since 6 + 85 + 68 + 507 = 666.

It is not a de Polignac number, because 68568507 - 2² = 68568503 is a prime.

It is a super-3 number, since 3×68568507³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68568503) 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 11 ways as a sum of consecutive naturals, for example, 544132 + ... + 544257.

Almost surely, 2^68568507 is an apocalyptic number.

68568507 is a deficient number, since it is larger than the sum of its proper divisors (44624053).

68568507 is a wasteful number, since it uses less digits than its factorization.

68568507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088402 (or 1088399 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 68568507 is about 8280.6103035948. The cubic root of 68568507 is about 409.2998301621.

The spelling of 68568507 in words is "sixty-eight million, five hundred sixty-eight thousand, five hundred seven".