68674451 has 2 divisors, whose sum is σ = 68674452. Its totient is φ = 68674450.

The previous prime is 68674439. The next prime is 68674453. The reversal of 68674451 is 15447686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68674451 - 2⁶ = 68674387 is a prime.

Together with 68674453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68674399 and 68674408.

It is not a weakly prime, because it can be changed into another prime (68674453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34337225 + 34337226.

It is an arithmetic number, because the mean of its divisors is an integer number (34337226).

Almost surely, 2^68674451 is an apocalyptic number.

68674451 is a deficient number, since it is larger than the sum of its proper divisors (1).

68674451 is an equidigital number, since it uses as much as digits as its factorization.

68674451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 68674451 is about 8287.0049475067. The cubic root of 68674451 is about 409.5105223549.

The spelling of 68674451 in words is "sixty-eight million, six hundred seventy-four thousand, four hundred fifty-one".