744522461 has 2 divisors, whose sum is σ = 744522462. Its totient is φ = 744522460.

The previous prime is 744522349. The next prime is 744522487. The reversal of 744522461 is 164225447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557243236 + 187279225 = 23606^2 + 13685^2 .

It is an emirp because it is prime and its reverse (164225447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744522461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744522491) 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, 372261230 + 372261231.

It is an arithmetic number, because the mean of its divisors is an integer number (372261231).

Almost surely, 2^744522461 is an apocalyptic number.

It is an amenable number.

744522461 is a deficient number, since it is larger than the sum of its proper divisors (1).

744522461 is an equidigital number, since it uses as much as digits as its factorization.

744522461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 744522461 is about 27285.9388880060. The cubic root of 744522461 is about 906.3430344695.

The spelling of 744522461 in words is "seven hundred forty-four million, five hundred twenty-two thousand, four hundred sixty-one".