67240801 has 2 divisors, whose sum is σ = 67240802. Its totient is φ = 67240800.

The previous prime is 67240793. The next prime is 67240807. The reversal of 67240801 is 10804276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35712576 + 31528225 = 5976^2 + 5615^2 .

It is a cyclic number.

It is not a de Polignac number, because 67240801 - 2³ = 67240793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67240801.

It is not a weakly prime, because it can be changed into another prime (67240807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33620400 + 33620401.

It is an arithmetic number, because the mean of its divisors is an integer number (33620401).

Almost surely, 2^67240801 is an apocalyptic number.

It is an amenable number.

67240801 is a deficient number, since it is larger than the sum of its proper divisors (1).

67240801 is an equidigital number, since it uses as much as digits as its factorization.

67240801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 67240801 is about 8200.0488413180. The cubic root of 67240801 is about 406.6408078006.

The spelling of 67240801 in words is "sixty-seven million, two hundred forty thousand, eight hundred one".