68575049 has 2 divisors, whose sum is σ = 68575050. Its totient is φ = 68575048.

The previous prime is 68575033. The next prime is 68575099. The reversal of 68575049 is 94057586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59783824 + 8791225 = 7732^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 68575049 - 2⁴ = 68575033 is a prime.

It is not a weakly prime, because it can be changed into another prime (68575019) 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, 34287524 + 34287525.

It is an arithmetic number, because the mean of its divisors is an integer number (34287525).

Almost surely, 2^68575049 is an apocalyptic number.

It is an amenable number.

68575049 is a deficient number, since it is larger than the sum of its proper divisors (1).

68575049 is an equidigital number, since it uses as much as digits as its factorization.

68575049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 68575049 is about 8281.0053133662. The cubic root of 68575049 is about 409.3128466058.

The spelling of 68575049 in words is "sixty-eight million, five hundred seventy-five thousand, forty-nine".