42971178 has 8 divisors (see below), whose sum is σ = 85942368. Its totient is φ = 14323724.

The previous prime is 42971161. The next prime is 42971183. The reversal of 42971178 is 87117924.

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

42971178 is an admirable number.

It is a Curzon number.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580926 + ... + 3580937.

It is an arithmetic number, because the mean of its divisors is an integer number (10742796).

Almost surely, 2^42971178 is an apocalyptic number.

42971178 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.

42971178 is a wasteful number, since it uses less digits than its factorization.

42971178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161868.

The product of its digits is 28224, while the sum is 39.

The square root of 42971178 is about 6555.2404990206. The cubic root of 42971178 is about 350.2615133970.

The spelling of 42971178 in words is "forty-two million, nine hundred seventy-one thousand, one hundred seventy-eight".