242561724 has 24 divisors (see below), whose sum is σ = 571269888. Its totient is φ = 80097840.

The previous prime is 242561723. The next prime is 242561747. The reversal of 242561724 is 427165242.

242561724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242561723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93172 + ... + 95739.

It is an arithmetic number, because the mean of its divisors is an integer number (23802912).

Almost surely, 2^242561724 is an apocalyptic number.

It is an amenable number.

242561724 is an abundant number, since it is smaller than the sum of its proper divisors (328708164).

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

242561724 is a wasteful number, since it uses less digits than its factorization.

242561724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189025 (or 189023 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 242561724 is about 15574.3932145044. The cubic root of 242561724 is about 623.6497561940.

The spelling of 242561724 in words is "two hundred forty-two million, five hundred sixty-one thousand, seven hundred twenty-four".