67436461 has 2 divisors, whose sum is σ = 67436462. Its totient is φ = 67436460.

The previous prime is 67436443. The next prime is 67436471. The reversal of 67436461 is 16463476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65707236 + 1729225 = 8106^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 67436461 - 2⁷ = 67436333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67436461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67436471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33718230 + 33718231.

It is an arithmetic number, because the mean of its divisors is an integer number (33718231).

Almost surely, 2^67436461 is an apocalyptic number.

It is an amenable number.

67436461 is a deficient number, since it is larger than the sum of its proper divisors (1).

67436461 is an equidigital number, since it uses as much as digits as its factorization.

67436461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 67436461 is about 8211.9705917642. The cubic root of 67436461 is about 407.0348458032.

The spelling of 67436461 in words is "sixty-seven million, four hundred thirty-six thousand, four hundred sixty-one".