73805461 has 2 divisors, whose sum is σ = 73805462. Its totient is φ = 73805460.

The previous prime is 73805429. The next prime is 73805507. The reversal of 73805461 is 16450837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72573361 + 1232100 = 8519^2 + 1110^2 .

It is a cyclic number.

It is not a de Polignac number, because 73805461 - 2⁵ = 73805429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73805411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36902730 + 36902731.

It is an arithmetic number, because the mean of its divisors is an integer number (36902731).

Almost surely, 2^73805461 is an apocalyptic number.

It is an amenable number.

73805461 is a deficient number, since it is larger than the sum of its proper divisors (1).

73805461 is an equidigital number, since it uses as much as digits as its factorization.

73805461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 73805461 is about 8591.0104760732. The cubic root of 73805461 is about 419.4654215370.

The spelling of 73805461 in words is "seventy-three million, eight hundred five thousand, four hundred sixty-one".