68829645 has 16 divisors (see below), whose sum is σ = 110411712. Its totient is φ = 36614400.

The previous prime is 68829643. The next prime is 68829653. The reversal of 68829645 is 54692886.

It is a happy number.

It is not a de Polignac number, because 68829645 - 2¹ = 68829643 is a prime.

It is a super-3 number, since 3×68829645³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68829594 and 68829603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68829643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (6900732).

Almost surely, 2^68829645 is an apocalyptic number.

It is an amenable number.

68829645 is a deficient number, since it is larger than the sum of its proper divisors (41582067).

68829645 is a wasteful number, since it uses less digits than its factorization.

68829645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852.

The product of its digits is 829440, while the sum is 48.

The square root of 68829645 is about 8296.3633599307. The cubic root of 68829645 is about 409.8187678098.

The spelling of 68829645 in words is "sixty-eight million, eight hundred twenty-nine thousand, six hundred forty-five".