1740042473 has 4 divisors (see below), whose sum is σ = 1873891908. Its totient is φ = 1606193040.

The previous prime is 1740042407. The next prime is 1740042509. The reversal of 1740042473 is 3742400471.

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 778856464 + 961186009 = 27908^2 + 31003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1740042473 - 2¹⁶ = 1739976937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1740042373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66924698 + ... + 66924723.

It is an arithmetic number, because the mean of its divisors is an integer number (468472977).

Almost surely, 2^1740042473 is an apocalyptic number.

1740042473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1740042473 is a deficient number, since it is larger than the sum of its proper divisors (133849435).

1740042473 is a wasteful number, since it uses less digits than its factorization.

1740042473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133849434.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 1740042473 is about 41713.8163322418. The cubic root of 1740042473 is about 1202.7811588076.

The spelling of 1740042473 in words is "one billion, seven hundred forty million, forty-two thousand, four hundred seventy-three".