742906171 has 8 divisors (see below), whose sum is σ = 898979040. Its totient is φ = 599319168.

The previous prime is 742906169. The next prime is 742906193. The reversal of 742906171 is 171609247.

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

It is not a de Polignac number, because 742906171 - 2¹ = 742906169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742906171.

It is not an unprimeable number, because it can be changed into a prime (742906271) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3121336 + ... + 3121573.

It is an arithmetic number, because the mean of its divisors is an integer number (112372380).

Almost surely, 2^742906171 is an apocalyptic number.

742906171 is a deficient number, since it is larger than the sum of its proper divisors (156072869).

742906171 is a wasteful number, since it uses less digits than its factorization.

742906171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242933.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 742906171 is about 27256.3051604578. The cubic root of 742906171 is about 905.6866967477.

The spelling of 742906171 in words is "seven hundred forty-two million, nine hundred six thousand, one hundred seventy-one".