187317342 has 24 divisors (see below), whose sum is σ = 406322280. Its totient is φ = 62367120.

The previous prime is 187317337. The next prime is 187317353. The reversal of 187317342 is 243713781.

It is a super-2 number, since 2×187317342² = 70175573227889928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 187317297 and 187317306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11409 + ... + 22467.

It is an arithmetic number, because the mean of its divisors is an integer number (16930095).

Almost surely, 2^187317342 is an apocalyptic number.

187317342 is an abundant number, since it is smaller than the sum of its proper divisors (219004938).

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

187317342 is a wasteful number, since it uses less digits than its factorization.

187317342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008 (or 12005 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 187317342 is about 13686.3925853382. The cubic root of 187317342 is about 572.1712020339.

The spelling of 187317342 in words is "one hundred eighty-seven million, three hundred seventeen thousand, three hundred forty-two".