68867451 has 24 divisors (see below), whose sum is σ = 104173056. Its totient is φ = 43758000.

The previous prime is 68867443. The next prime is 68867473. The reversal of 68867451 is 15476886.

It is a happy number.

It is not a de Polignac number, because 68867451 - 2³ = 68867443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68867397 and 68867406.

It is not an unprimeable number, because it can be changed into a prime (68867441) 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, 91326 + ... + 92076.

It is an arithmetic number, because the mean of its divisors is an integer number (4340544).

Almost surely, 2^68867451 is an apocalyptic number.

68867451 is a deficient number, since it is larger than the sum of its proper divisors (35305605).

68867451 is a wasteful number, since it uses less digits than its factorization.

68867451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1220 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 68867451 is about 8298.6415153325. The cubic root of 68867451 is about 409.8937876770.

The spelling of 68867451 in words is "sixty-eight million, eight hundred sixty-seven thousand, four hundred fifty-one".