208032742 has 4 divisors (see below), whose sum is σ = 312049116. Its totient is φ = 104016370.

The previous prime is 208032739. The next prime is 208032743. The reversal of 208032742 is 247230802.

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

It is a self number, because there is not a number n which added to its sum of digits gives 208032742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208032743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52008184 + ... + 52008187.

It is an arithmetic number, because the mean of its divisors is an integer number (78012279).

Almost surely, 2^208032742 is an apocalyptic number.

208032742 is a deficient number, since it is larger than the sum of its proper divisors (104016374).

208032742 is a wasteful number, since it uses less digits than its factorization.

208032742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104016373.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 208032742 is about 14423.3401818025. The cubic root of 208032742 is about 592.5303011677.

The spelling of 208032742 in words is "two hundred eight million, thirty-two thousand, seven hundred forty-two".