42343930 has 8 divisors (see below), whose sum is σ = 76219092. Its totient is φ = 16937568.

The previous prime is 42343919. The next prime is 42343937. The reversal of 42343930 is 3934324.

It can be written as a sum of positive squares in 2 ways, for example, as 42237001 + 106929 = 6499^2 + 327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42343937) 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, 2117187 + ... + 2117206.

Almost surely, 2^42343930 is an apocalyptic number.

42343930 is a deficient number, since it is larger than the sum of its proper divisors (33875162).

42343930 is a wasteful number, since it uses less digits than its factorization.

42343930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234400.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 42343930 is about 6507.2213732130. The cubic root of 42343930 is about 348.5489036487.

The spelling of 42343930 in words is "forty-two million, three hundred forty-three thousand, nine hundred thirty".