242734903 has 4 divisors (see below), whose sum is σ = 246357880. Its totient is φ = 239111928.

The previous prime is 242734889. The next prime is 242734913. The reversal of 242734903 is 309437242.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242734903 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 (242734913) 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, 1811388 + ... + 1811521.

It is an arithmetic number, because the mean of its divisors is an integer number (61589470).

Almost surely, 2^242734903 is an apocalyptic number.

242734903 is a deficient number, since it is larger than the sum of its proper divisors (3622977).

242734903 is an equidigital number, since it uses as much as digits as its factorization.

242734903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622976.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 242734903 is about 15579.9519575639. The cubic root of 242734903 is about 623.7981408969.

The spelling of 242734903 in words is "two hundred forty-two million, seven hundred thirty-four thousand, nine hundred three".