742106 has 8 divisors (see below), whose sum is σ = 1134324. Its totient is φ = 364000.

The previous prime is 742073. The next prime is 742111. The reversal of 742106 is 601247.

It can be written as a sum of positive squares in 2 ways, for example, as 737881 + 4225 = 859^2 + 65^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3395 + ... + 3606.

2⁷⁴²¹⁰⁶ is an apocalyptic number.

742106 is a deficient number, since it is larger than the sum of its proper divisors (392218).

742106 is a wasteful number, since it uses less digits than its factorization.

742106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 742106 is about 861.4557446555. The cubic root of 742106 is about 90.5361413600.

It can be divided in two parts, 742 and 106, that added together give a palindrome (848).

The spelling of 742106 in words is "seven hundred forty-two thousand, one hundred six".