42174988 has 6 divisors (see below), whose sum is σ = 73806236. Its totient is φ = 21087492.

The previous prime is 42174953. The next prime is 42174989. The reversal of 42174988 is 88947124.

It is a super-2 number, since 2×42174988² = 3557459225600288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42174989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271870 + ... + 5271877.

Almost surely, 2^42174988 is an apocalyptic number.

It is an amenable number.

42174988 is a deficient number, since it is larger than the sum of its proper divisors (31631248).

42174988 is a wasteful number, since it uses less digits than its factorization.

42174988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543751 (or 10543749 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 42174988 is about 6494.2272827489. The cubic root of 42174988 is about 348.0847439717.

The spelling of 42174988 in words is "forty-two million, one hundred seventy-four thousand, nine hundred eighty-eight".