42961168 has 10 divisors (see below), whose sum is σ = 83237294. Its totient is φ = 21480576.

The previous prime is 42961117. The next prime is 42961201. The reversal of 42961168 is 86116924.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 17073424 = 5088^2 + 4132^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342521 + ... + 1342552.

Almost surely, 2^42961168 is an apocalyptic number.

It is an amenable number.

42961168 is a deficient number, since it is larger than the sum of its proper divisors (40276126).

42961168 is a wasteful number, since it uses less digits than its factorization.

42961168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685081 (or 2685075 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 42961168 is about 6554.4769432808. The cubic root of 42961168 is about 350.2343138476.

The spelling of 42961168 in words is "forty-two million, nine hundred sixty-one thousand, one hundred sixty-eight".