242707664 has 10 divisors (see below), whose sum is σ = 470246130. Its totient is φ = 121353824.

The previous prime is 242707643. The next prime is 242707669. The reversal of 242707664 is 466707242.

It can be written as a sum of positive squares in only one way, i.e., 231283264 + 11424400 = 15208^2 + 3380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242707669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7584599 + ... + 7584630.

It is an arithmetic number, because the mean of its divisors is an integer number (47024613).

Almost surely, 2^242707664 is an apocalyptic number.

It is an amenable number.

242707664 is a deficient number, since it is larger than the sum of its proper divisors (227538466).

242707664 is a wasteful number, since it uses less digits than its factorization.

242707664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169237 (or 15169231 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 242707664 is about 15579.0777647459. The cubic root of 242707664 is about 623.7748064239.

The spelling of 242707664 in words is "two hundred forty-two million, seven hundred seven thousand, six hundred sixty-four".