242757009 has 24 divisors (see below), whose sum is σ = 383097312. Its totient is φ = 146905920.

The previous prime is 242757007. The next prime is 242757043. The reversal of 242757009 is 900757242.

242757009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242757009 - 2¹ = 242757007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242757007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86029 + ... + 88805.

It is an arithmetic number, because the mean of its divisors is an integer number (15962388).

Almost surely, 2^242757009 is an apocalyptic number.

It is an amenable number.

242757009 is a deficient number, since it is larger than the sum of its proper divisors (140340303).

242757009 is a wasteful number, since it uses less digits than its factorization.

242757009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 242757009 is about 15580.6613787734. The cubic root of 242757009 is about 623.8170768677.

The spelling of 242757009 in words is "two hundred forty-two million, seven hundred fifty-seven thousand, nine".