68452239 has 8 divisors (see below), whose sum is σ = 91882800. Its totient is φ = 45328256.

The previous prime is 68452201. The next prime is 68452243. The reversal of 68452239 is 93225486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68452239 - 2⁸ = 68451983 is a prime.

It is a super-2 number, since 2×68452239² = 9371418048226242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68452197 and 68452206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68452289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76122 + ... + 77015.

It is an arithmetic number, because the mean of its divisors is an integer number (11485350).

Almost surely, 2^68452239 is an apocalyptic number.

68452239 is a deficient number, since it is larger than the sum of its proper divisors (23430561).

68452239 is a wasteful number, since it uses less digits than its factorization.

68452239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153289.

The product of its digits is 103680, while the sum is 39.

The square root of 68452239 is about 8273.5868279725. The cubic root of 68452239 is about 409.0683565704.

The spelling of 68452239 in words is "sixty-eight million, four hundred fifty-two thousand, two hundred thirty-nine".