42742324 has 12 divisors (see below), whose sum is σ = 78736000. Its totient is φ = 20246328.

The previous prime is 42742321. The next prime is 42742331. The reversal of 42742324 is 42324724.

It is a junction number, because it is equal to n+sod(n) for n = 42742292 and 42742301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42742321) 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, 281124 + ... + 281275.

Almost surely, 2^42742324 is an apocalyptic number.

It is an amenable number.

42742324 is a deficient number, since it is larger than the sum of its proper divisors (35993676).

42742324 is a wasteful number, since it uses less digits than its factorization.

42742324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562422 (or 562420 counting only the distinct ones).

The product of its digits is 10752, while the sum is 28.

The square root of 42742324 is about 6537.7613905679. The cubic root of 42742324 is about 349.6386038358.

The spelling of 42742324 in words is "forty-two million, seven hundred forty-two thousand, three hundred twenty-four".