1734670661 has 2 divisors, whose sum is σ = 1734670662. Its totient is φ = 1734670660.

The previous prime is 1734670631. The next prime is 1734670687. The reversal of 1734670661 is 1660764371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1492276900 + 242393761 = 38630^2 + 15569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1734670661 - 2³⁰ = 660928837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1734670601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867335330 + 867335331.

It is an arithmetic number, because the mean of its divisors is an integer number (867335331).

Almost surely, 2^1734670661 is an apocalyptic number.

It is an amenable number.

1734670661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1734670661 is an equidigital number, since it uses as much as digits as its factorization.

1734670661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 1734670661 is about 41649.3776784240. The cubic root of 1734670661 is about 1201.5421517817.

The spelling of 1734670661 in words is "one billion, seven hundred thirty-four million, six hundred seventy thousand, six hundred sixty-one".