1724051242 has 4 divisors (see below), whose sum is σ = 2586076866. Its totient is φ = 862025620.

The previous prime is 1724051179. The next prime is 1724051299. The reversal of 1724051242 is 2421504271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421504271 = 31 ⋅78113041.

It can be written as a sum of positive squares in only one way, i.e., 1291036761 + 433014481 = 35931^2 + 20809^2 .

It is a super-4 number, since 4×1724051242⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1724051242.

It is an unprimeable number.

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, 431012809 + ... + 431012812.

Almost surely, 2^1724051242 is an apocalyptic number.

1724051242 is a deficient number, since it is larger than the sum of its proper divisors (862025624).

1724051242 is an equidigital number, since it uses as much as digits as its factorization.

1724051242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862025623.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1724051242 is about 41521.6960395406. The cubic root of 1724051242 is about 1199.0852385015.

The spelling of 1724051242 in words is "one billion, seven hundred twenty-four million, fifty-one thousand, two hundred forty-two".