68427407 has 2 divisors, whose sum is σ = 68427408. Its totient is φ = 68427406.

The previous prime is 68427377. The next prime is 68427409. The reversal of 68427407 is 70472486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68427407 - 2¹⁰ = 68426383 is a prime.

Together with 68427409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68427409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34213703 + 34213704.

It is an arithmetic number, because the mean of its divisors is an integer number (34213704).

Almost surely, 2^68427407 is an apocalyptic number.

68427407 is a deficient number, since it is larger than the sum of its proper divisors (1).

68427407 is an equidigital number, since it uses as much as digits as its factorization.

68427407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 68427407 is about 8272.0860126089. The cubic root of 68427407 is about 409.0188855127.

The spelling of 68427407 in words is "sixty-eight million, four hundred twenty-seven thousand, four hundred seven".