242970 has 64 divisors (see below), whose sum is σ = 725760. Its totient is φ = 50688.

The previous prime is 242927. The next prime is 242971. The reversal of 242970 is 79242.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242970.

It is not an unprimeable number, because it can be changed into a prime (242971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2686 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2²⁴²⁹⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362880).

242970 is an abundant number, since it is smaller than the sum of its proper divisors (482790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242970 is a wasteful number, since it uses less digits than its factorization.

242970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 242970 is about 492.9198717845. The cubic root of 242970 is about 62.3999465812.

The spelling of 242970 in words is "two hundred forty-two thousand, nine hundred seventy".