42174724 has 12 divisors (see below), whose sum is σ = 73912384. Its totient is φ = 21056904.

The previous prime is 42174721. The next prime is 42174731. The reversal of 42174724 is 42747124.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42174721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344 + ... + 10159.

Almost surely, 2^42174724 is an apocalyptic number.

It is an amenable number.

42174724 is a deficient number, since it is larger than the sum of its proper divisors (31737660).

42174724 is a wasteful number, since it uses less digits than its factorization.

42174724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234 (or 15232 counting only the distinct ones).

The product of its digits is 12544, while the sum is 31.

The square root of 42174724 is about 6494.2069569733. The cubic root of 42174724 is about 348.0840176758.

The spelling of 42174724 in words is "forty-two million, one hundred seventy-four thousand, seven hundred twenty-four".