742105742 has 8 divisors (see below), whose sum is σ = 1272181296. Its totient is φ = 318045312.

The previous prime is 742105733. The next prime is 742105753. The reversal of 742105742 is 247501247.

742105742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 742105699 and 742105708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26503763 + ... + 26503790.

It is an arithmetic number, because the mean of its divisors is an integer number (159022662).

Almost surely, 2^742105742 is an apocalyptic number.

742105742 is a deficient number, since it is larger than the sum of its proper divisors (530075554).

742105742 is a wasteful number, since it uses less digits than its factorization.

742105742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53007562.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 742105742 is about 27241.6178300776. The cubic root of 742105742 is about 905.3613086804.

Adding to 742105742 its reverse (247501247), we get a palindrome (989606989).

The spelling of 742105742 in words is "seven hundred forty-two million, one hundred five thousand, seven hundred forty-two".