1742948161 has 4 divisors (see below), whose sum is σ = 1748120452. Its totient is φ = 1737775872.

The previous prime is 1742948131. The next prime is 1742948173. The reversal of 1742948161 is 1618492471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 193738561 + 1549209600 = 13919^2 + 39360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1742948161 - 2¹¹ = 1742946113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1742948101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585640 + ... + 2586313.

It is an arithmetic number, because the mean of its divisors is an integer number (437030113).

Almost surely, 2^1742948161 is an apocalyptic number.

It is an amenable number.

1742948161 is a deficient number, since it is larger than the sum of its proper divisors (5172291).

1742948161 is an equidigital number, since it uses as much as digits as its factorization.

1742948161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172290.

The product of its digits is 96768, while the sum is 43.

The square root of 1742948161 is about 41748.6306482021. The cubic root of 1742948161 is about 1203.4502925138.

The spelling of 1742948161 in words is "one billion, seven hundred forty-two million, nine hundred forty-eight thousand, one hundred sixty-one".