242662709 has 8 divisors (see below), whose sum is σ = 257621760. Its totient is φ = 227779776.

The previous prime is 242662681. The next prime is 242662711. The reversal of 242662709 is 907266242.

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-242662709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242662759) 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, 12389 + ... + 25274.

It is an arithmetic number, because the mean of its divisors is an integer number (32202720).

Almost surely, 2^242662709 is an apocalyptic number.

It is an amenable number.

242662709 is a deficient number, since it is larger than the sum of its proper divisors (14959051).

242662709 is a wasteful number, since it uses less digits than its factorization.

242662709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38059.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 242662709 is about 15577.6348975061. The cubic root of 242662709 is about 623.7362916012.

The spelling of 242662709 in words is "two hundred forty-two million, six hundred sixty-two thousand, seven hundred nine".