67674049 has 2 divisors, whose sum is σ = 67674050. Its totient is φ = 67674048.

The previous prime is 67674041. The next prime is 67674053. The reversal of 67674049 is 94047676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 24206400 = 6593^2 + 4920^2 .

It is a cyclic number.

It is not a de Polignac number, because 67674049 - 2³ = 67674041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67673996 and 67674014.

It is not a weakly prime, because it can be changed into another prime (67674041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33837024 + 33837025.

It is an arithmetic number, because the mean of its divisors is an integer number (33837025).

Almost surely, 2^67674049 is an apocalyptic number.

It is an amenable number.

67674049 is a deficient number, since it is larger than the sum of its proper divisors (1).

67674049 is an equidigital number, since it uses as much as digits as its factorization.

67674049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 67674049 is about 8226.4238281285. The cubic root of 67674049 is about 407.5122989250.

It can be divided in two parts, 6767 and 4049, that added together give a square (10816 = 104²).

The spelling of 67674049 in words is "sixty-seven million, six hundred seventy-four thousand, forty-nine".