742171 has 8 divisors (see below), whose sum is σ = 777600. Its totient is φ = 707520.

The previous prime is 742153. The next prime is 742193. The reversal of 742171 is 171247.

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

It is a cyclic number.

It is not a de Polignac number, because 742171 - 2¹¹ = 740123 is a prime.

It is a Duffinian number.

742171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (742111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2625 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2⁷⁴²¹⁷¹ is an apocalyptic number.

742171 is a deficient number, since it is larger than the sum of its proper divisors (35429).

742171 is a wasteful number, since it uses less digits than its factorization.

742171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its digits is 392, while the sum is 22.

The square root of 742171 is about 861.4934706659. The cubic root of 742171 is about 90.5387845930.

The spelling of 742171 in words is "seven hundred forty-two thousand, one hundred seventy-one", and thus it is an iban number.