68622049 has 2 divisors, whose sum is σ = 68622050. Its totient is φ = 68622048.

The previous prime is 68621963. The next prime is 68622077. The reversal of 68622049 is 94022686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 33005025 = 5968^2 + 5745^2 .

It is a cyclic number.

It is not a de Polignac number, because 68622049 - 2¹⁵ = 68589281 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68621999 and 68622017.

It is not a weakly prime, because it can be changed into another prime (68622089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34311024 + 34311025.

It is an arithmetic number, because the mean of its divisors is an integer number (34311025).

Almost surely, 2^68622049 is an apocalyptic number.

It is an amenable number.

68622049 is a deficient number, since it is larger than the sum of its proper divisors (1).

68622049 is an equidigital number, since it uses as much as digits as its factorization.

68622049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 68622049 is about 8283.8426469846. The cubic root of 68622049 is about 409.4063369287.

It can be divided in two parts, 6862 and 2049, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 68622049 in words is "sixty-eight million, six hundred twenty-two thousand, forty-nine".