68558949 has 24 divisors (see below), whose sum is σ = 103693824. Its totient is φ = 43596000.

The previous prime is 68558939. The next prime is 68558951. The reversal of 68558949 is 94985586.

It is a happy number.

It is not a de Polignac number, because 68558949 - 2¹² = 68554853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68558895 and 68558904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68558939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18079 + ... + 21539.

It is an arithmetic number, because the mean of its divisors is an integer number (4320576).

Almost surely, 2^68558949 is an apocalyptic number.

It is an amenable number.

68558949 is a deficient number, since it is larger than the sum of its proper divisors (35134875).

68558949 is a wasteful number, since it uses less digits than its factorization.

68558949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3566 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 68558949 is about 8280.0331521075. The cubic root of 68558949 is about 409.2808113747.

The spelling of 68558949 in words is "sixty-eight million, five hundred fifty-eight thousand, nine hundred forty-nine".