68452287 has 8 divisors (see below), whose sum is σ = 92123136. Its totient is φ = 45208152.

The previous prime is 68452277. The next prime is 68452289. The reversal of 68452287 is 78225486.

It is a happy number.

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

It is not a de Polignac number, because 68452287 - 2⁷ = 68452159 is a prime.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106303 + ... + 106944.

It is an arithmetic number, because the mean of its divisors is an integer number (11515392).

Almost surely, 2^68452287 is an apocalyptic number.

68452287 is a deficient number, since it is larger than the sum of its proper divisors (23670849).

68452287 is a wasteful number, since it uses less digits than its factorization.

68452287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213357.

The product of its digits is 215040, while the sum is 42.

The square root of 68452287 is about 8273.5897287695. The cubic root of 68452287 is about 409.0684521859.

The spelling of 68452287 in words is "sixty-eight million, four hundred fifty-two thousand, two hundred eighty-seven".