67948451 has 2 divisors, whose sum is σ = 67948452. Its totient is φ = 67948450.

The previous prime is 67948399. The next prime is 67948477. The reversal of 67948451 is 15484976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67948451 - 2²² = 63754147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67948481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33974225 + 33974226.

It is an arithmetic number, because the mean of its divisors is an integer number (33974226).

Almost surely, 2^67948451 is an apocalyptic number.

67948451 is a deficient number, since it is larger than the sum of its proper divisors (1).

67948451 is an equidigital number, since it uses as much as digits as its factorization.

67948451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 67948451 is about 8243.0850414150. The cubic root of 67948451 is about 408.0623442953.

The spelling of 67948451 in words is "sixty-seven million, nine hundred forty-eight thousand, four hundred fifty-one".