68813229 has 16 divisors (see below), whose sum is σ = 99776448. Its totient is φ = 42008832.

The previous prime is 68813207. The next prime is 68813249. The reversal of 68813229 is 92231886.

It is a happy number.

It is not a de Polignac number, because 68813229 - 2⁵ = 68813197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68813249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16347 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (6236028).

Almost surely, 2^68813229 is an apocalyptic number.

It is an amenable number.

68813229 is a deficient number, since it is larger than the sum of its proper divisors (30963219).

68813229 is a wasteful number, since it uses less digits than its factorization.

68813229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36524.

The product of its digits is 41472, while the sum is 39.

The square root of 68813229 is about 8295.3739517878. The cubic root of 68813229 is about 409.7861843698.

The spelling of 68813229 in words is "sixty-eight million, eight hundred thirteen thousand, two hundred twenty-nine".