68053747 has 2 divisors, whose sum is σ = 68053748. Its totient is φ = 68053746.

The previous prime is 68053729. The next prime is 68053753. The reversal of 68053747 is 74735086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68053747 - 2²³ = 59665139 is a prime.

It is not a weakly prime, because it can be changed into another prime (68053787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34026873 + 34026874.

It is an arithmetic number, because the mean of its divisors is an integer number (34026874).

Almost surely, 2^68053747 is an apocalyptic number.

68053747 is a deficient number, since it is larger than the sum of its proper divisors (1).

68053747 is an equidigital number, since it uses as much as digits as its factorization.

68053747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 68053747 is about 8249.4694980950. The cubic root of 68053747 is about 408.2730194780.

The spelling of 68053747 in words is "sixty-eight million, fifty-three thousand, seven hundred forty-seven".