1742868919 has 8 divisors (see below), whose sum is σ = 1906795008. Its totient is φ = 1579856760.

The previous prime is 1742868913. The next prime is 1742868929. The reversal of 1742868919 is 9198682471.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1742868919 is a prime.

It is a super-2 number, since 2×1742868919² = 6075184137632457122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1742868919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742868913) 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 in 7 ways as a sum of consecutive naturals, for example, 224487 + ... + 232120.

It is an arithmetic number, because the mean of its divisors is an integer number (238349376).

Almost surely, 2^1742868919 is an apocalyptic number.

1742868919 is a deficient number, since it is larger than the sum of its proper divisors (163926089).

1742868919 is a wasteful number, since it uses less digits than its factorization.

1742868919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456965.

The product of its digits is 1741824, while the sum is 55.

The square root of 1742868919 is about 41747.6816002997. The cubic root of 1742868919 is about 1203.4320542102.

The spelling of 1742868919 in words is "one billion, seven hundred forty-two million, eight hundred sixty-eight thousand, nine hundred nineteen".