67290361 has 2 divisors, whose sum is σ = 67290362. Its totient is φ = 67290360.

The previous prime is 67290347. The next prime is 67290373. The reversal of 67290361 is 16309276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 30869136 = 6035^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 67290361 - 2⁵ = 67290329 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (67290961) 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, 33645180 + 33645181.

It is an arithmetic number, because the mean of its divisors is an integer number (33645181).

Almost surely, 2^67290361 is an apocalyptic number.

It is an amenable number.

67290361 is a deficient number, since it is larger than the sum of its proper divisors (1).

67290361 is an equidigital number, since it uses as much as digits as its factorization.

67290361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 67290361 is about 8203.0702179123. The cubic root of 67290361 is about 406.7406884726.

The spelling of 67290361 in words is "sixty-seven million, two hundred ninety thousand, three hundred sixty-one".