1742698161 has 12 divisors (see below), whose sum is σ = 2517669700. Its totient is φ = 1161596160.

The previous prime is 1742698159. The next prime is 1742698211. The reversal of 1742698161 is 1618962471.

It can be written as a sum of positive squares in 2 ways, for example, as 49787136 + 1692911025 = 7056^2 + 41145^2 .

It is not a de Polignac number, because 1742698161 - 2¹ = 1742698159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1742698151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52665 + ... + 79113.

Almost surely, 2^1742698161 is an apocalyptic number.

It is an amenable number.

1742698161 is a deficient number, since it is larger than the sum of its proper divisors (774971539).

1742698161 is a wasteful number, since it uses less digits than its factorization.

1742698161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33776 (or 33773 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1742698161 is about 41745.6364306499. The cubic root of 1742698161 is about 1203.3927507452.

The spelling of 1742698161 in words is "one billion, seven hundred forty-two million, six hundred ninety-eight thousand, one hundred sixty-one".