242726999 has 4 divisors (see below), whose sum is σ = 242927664. Its totient is φ = 242526336.

The previous prime is 242726989. The next prime is 242727007. The reversal of 242726999 is 999627242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242726999 - 2⁴ = 242726983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242726989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98507 + ... + 100940.

It is an arithmetic number, because the mean of its divisors is an integer number (60731916).

Almost surely, 2^242726999 is an apocalyptic number.

242726999 is a deficient number, since it is larger than the sum of its proper divisors (200665).

242726999 is a wasteful number, since it uses less digits than its factorization.

242726999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200664.

The product of its digits is 979776, while the sum is 50.

The square root of 242726999 is about 15579.6982961802. The cubic root of 242726999 is about 623.7913700618.

The spelling of 242726999 in words is "two hundred forty-two million, seven hundred twenty-six thousand, nine hundred ninety-nine".