242576731 has 8 divisors (see below), whose sum is σ = 244975104. Its totient is φ = 240186240.

The previous prime is 242576701. The next prime is 242576759. The reversal of 242576731 is 137675242.

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 not a de Polignac number, because 242576731 - 2⁷ = 242576603 is a prime.

It is a super-2 number, since 2×242576731² = 117686940845292722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242576701) 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, 73701 + ... + 76921.

It is an arithmetic number, because the mean of its divisors is an integer number (30621888).

Almost surely, 2^242576731 is an apocalyptic number.

242576731 is a deficient number, since it is larger than the sum of its proper divisors (2398373).

242576731 is a wasteful number, since it uses less digits than its factorization.

242576731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941.

The product of its digits is 70560, while the sum is 37.

The square root of 242576731 is about 15574.8749914726. The cubic root of 242576731 is about 623.6626174137.

The spelling of 242576731 in words is "two hundred forty-two million, five hundred seventy-six thousand, seven hundred thirty-one".