42507370 has 32 divisors (see below), whose sum is σ = 80884800. Its totient is φ = 16039296.

The previous prime is 42507347. The next prime is 42507383. The reversal of 42507370 is 7370524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77437 + ... + 77983.

It is an arithmetic number, because the mean of its divisors is an integer number (2527650).

Almost surely, 2^42507370 is an apocalyptic number.

42507370 is a deficient number, since it is larger than the sum of its proper divisors (38377430).

42507370 is a wasteful number, since it uses less digits than its factorization.

42507370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 42507370 is about 6519.7676338962. The cubic root of 42507370 is about 348.9967733957.

Adding to 42507370 its reverse (7370524), we get a palindrome (49877894).

The spelling of 42507370 in words is "forty-two million, five hundred seven thousand, three hundred seventy".