42030370 has 32 divisors (see below), whose sum is σ = 77656320. Its totient is φ = 16373760.

The previous prime is 42030353. The next prime is 42030379. The reversal of 42030370 is 7303024.

It is not an unprimeable number, because it can be changed into a prime (42030379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65250 + ... + 65890.

It is an arithmetic number, because the mean of its divisors is an integer number (2426760).

Almost surely, 2^42030370 is an apocalyptic number.

42030370 is a deficient number, since it is larger than the sum of its proper divisors (35625950).

42030370 is a wasteful number, since it uses less digits than its factorization.

42030370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 42030370 is about 6483.0833713596. The cubic root of 42030370 is about 347.6864275795.

Adding to 42030370 its reverse (7303024), we get a palindrome (49333394).

The spelling of 42030370 in words is "forty-two million, thirty thousand, three hundred seventy".