242734811 has 4 divisors (see below), whose sum is σ = 264801624. Its totient is φ = 220668000.

The previous prime is 242734771. The next prime is 242734813. The reversal of 242734811 is 118437242.

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 242734811 - 2¹⁸ = 242472667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242734813) 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, 11033390 + ... + 11033411.

It is an arithmetic number, because the mean of its divisors is an integer number (66200406).

Almost surely, 2^242734811 is an apocalyptic number.

242734811 is a deficient number, since it is larger than the sum of its proper divisors (22066813).

242734811 is a wasteful number, since it uses less digits than its factorization.

242734811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066812.

The product of its digits is 10752, while the sum is 32.

The square root of 242734811 is about 15579.9490050513. The cubic root of 242734811 is about 623.7980620875.

It can be divided in two parts, 24273 and 4811, that multiplied together give a triangular number (116777403 = T₁₅₂₈₂).

The spelling of 242734811 in words is "two hundred forty-two million, seven hundred thirty-four thousand, eight hundred eleven".