67804073 has 2 divisors, whose sum is σ = 67804074. Its totient is φ = 67804072.

The previous prime is 67804031. The next prime is 67804097. The reversal of 67804073 is 37040876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66716224 + 1087849 = 8168^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 67804073 - 2⁸ = 67803817 is a prime.

It is not a weakly prime, because it can be changed into another prime (67804003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33902036 + 33902037.

It is an arithmetic number, because the mean of its divisors is an integer number (33902037).

Almost surely, 2^67804073 is an apocalyptic number.

It is an amenable number.

67804073 is a deficient number, since it is larger than the sum of its proper divisors (1).

67804073 is an equidigital number, since it uses as much as digits as its factorization.

67804073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 67804073 is about 8234.3228622638. The cubic root of 67804073 is about 407.7731201279.

The spelling of 67804073 in words is "sixty-seven million, eight hundred four thousand, seventy-three".