42030704 has 20 divisors (see below), whose sum is σ = 81545376. Its totient is φ = 20986752.

The previous prime is 42030697. The next prime is 42030707. The reversal of 42030704 is 40703024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030707) 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, 15257 + ... + 17799.

Almost surely, 2^42030704 is an apocalyptic number.

It is an amenable number.

42030704 is a deficient number, since it is larger than the sum of its proper divisors (39514672).

42030704 is a wasteful number, since it uses less digits than its factorization.

42030704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42030704 is about 6483.1091306564. The cubic root of 42030704 is about 347.6873485561.

Adding to 42030704 its reverse (40703024), we get a palindrome (82733728).

The spelling of 42030704 in words is "forty-two million, thirty thousand, seven hundred four".