67390541 has 2 divisors, whose sum is σ = 67390542. Its totient is φ = 67390540.

The previous prime is 67390517. The next prime is 67390553. The reversal of 67390541 is 14509376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52258441 + 15132100 = 7229^2 + 3890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67390541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67390501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33695270 + 33695271.

It is an arithmetic number, because the mean of its divisors is an integer number (33695271).

Almost surely, 2^67390541 is an apocalyptic number.

It is an amenable number.

67390541 is a deficient number, since it is larger than the sum of its proper divisors (1).

67390541 is an equidigital number, since it uses as much as digits as its factorization.

67390541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 67390541 is about 8209.1741972016. The cubic root of 67390541 is about 406.9424364255.

The spelling of 67390541 in words is "sixty-seven million, three hundred ninety thousand, five hundred forty-one".