42730204 has 12 divisors (see below), whose sum is σ = 81575928. Its totient is φ = 19422800.

The previous prime is 42730201. The next prime is 42730223. The reversal of 42730204 is 40203724.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42730201) 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, 485527 + ... + 485614.

It is an arithmetic number, because the mean of its divisors is an integer number (6797994).

Almost surely, 2^42730204 is an apocalyptic number.

42730204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42730204 is a deficient number, since it is larger than the sum of its proper divisors (38845724).

42730204 is a wasteful number, since it uses less digits than its factorization.

42730204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971156 (or 971154 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42730204 is about 6536.8344020634. The cubic root of 42730204 is about 349.6055529073.

Adding to 42730204 its reverse (40203724), we get a palindrome (82933928).

The spelling of 42730204 in words is "forty-two million, seven hundred thirty thousand, two hundred four".