242752019 has 8 divisors (see below), whose sum is σ = 247369920. Its totient is φ = 238151016.

The previous prime is 242751989. The next prime is 242752033. The reversal of 242752019 is 910257242.

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

It is a cyclic number.

It is not a de Polignac number, because 242752019 - 2²⁰ = 241703443 is a prime.

It is a super-2 number, since 2×242752019² = 117857085457152722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242752049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26924 + ... + 34790.

It is an arithmetic number, because the mean of its divisors is an integer number (30921240).

Almost surely, 2^242752019 is an apocalyptic number.

242752019 is a deficient number, since it is larger than the sum of its proper divisors (4617901).

242752019 is an equidigital number, since it uses as much as digits as its factorization.

242752019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 242752019 is about 15580.5012435416. The cubic root of 242752019 is about 623.8128025407.

The spelling of 242752019 in words is "two hundred forty-two million, seven hundred fifty-two thousand, nineteen".