68455273 has 8 divisors (see below), whose sum is σ = 69100416. Its totient is φ = 67813200.

The previous prime is 68455267. The next prime is 68455279. The reversal of 68455273 is 37255486.

It is an interprime number because it is at equal distance from previous prime (68455267) and next prime (68455279).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68455273 is a prime.

It is a super-2 number, since 2×68455273² = 9372248803009058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68455279) 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 7 ways as a sum of consecutive naturals, for example, 74688 + ... + 75598.

It is an arithmetic number, because the mean of its divisors is an integer number (8637552).

Almost surely, 2^68455273 is an apocalyptic number.

It is an amenable number.

68455273 is a deficient number, since it is larger than the sum of its proper divisors (645143).

68455273 is a wasteful number, since it uses less digits than its factorization.

68455273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535.

The product of its digits is 201600, while the sum is 40.

The square root of 68455273 is about 8273.7701805163. The cubic root of 68455273 is about 409.0744001763.

The spelling of 68455273 in words is "sixty-eight million, four hundred fifty-five thousand, two hundred seventy-three".