171049742 has 32 divisors (see below), whose sum is σ = 278971680. Its totient is φ = 78599808.

The previous prime is 171049741. The next prime is 171049751. The reversal of 171049742 is 247940171.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171049741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507398 + ... + 507734.

It is an arithmetic number, because the mean of its divisors is an integer number (8717865).

Almost surely, 2^171049742 is an apocalyptic number.

171049742 is a deficient number, since it is larger than the sum of its proper divisors (107921938).

171049742 is an equidigital number, since it uses as much as digits as its factorization.

171049742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 171049742 is about 13078.5986252350. The cubic root of 171049742 is about 555.1037243574.

The spelling of 171049742 in words is "one hundred seventy-one million, forty-nine thousand, seven hundred forty-two".