242703686 has 4 divisors (see below), whose sum is σ = 364055532. Its totient is φ = 121351842.

The previous prime is 242703677. The next prime is 242703691. The reversal of 242703686 is 686307242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 686307242 = 2 ⋅343153621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60675920 + ... + 60675923.

It is an arithmetic number, because the mean of its divisors is an integer number (91013883).

Almost surely, 2^242703686 is an apocalyptic number.

242703686 is a deficient number, since it is larger than the sum of its proper divisors (121351846).

242703686 is a wasteful number, since it uses less digits than its factorization.

242703686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121351845.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 242703686 is about 15578.9500929941. The cubic root of 242703686 is about 623.7713984972.

The spelling of 242703686 in words is "two hundred forty-two million, seven hundred three thousand, six hundred eighty-six".