180170742 has 8 divisors (see below), whose sum is σ = 360341496. Its totient is φ = 60056912.

The previous prime is 180170741. The next prime is 180170779. The reversal of 180170742 is 247071081.

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

180170742 is an admirable number.

It is a super-2 number, since 2×180170742² = 64922992545661128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180170741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15014223 + ... + 15014234.

It is an arithmetic number, because the mean of its divisors is an integer number (45042687).

Almost surely, 2^180170742 is an apocalyptic number.

180170742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180170742 is a wasteful number, since it uses less digits than its factorization.

180170742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028462.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 180170742 is about 13422.7695353828. The cubic root of 180170742 is about 564.8000879919.

The spelling of 180170742 in words is "one hundred eighty million, one hundred seventy thousand, seven hundred forty-two".