42312634 has 16 divisors (see below), whose sum is σ = 78115968. Its totient is φ = 16738992.

The previous prime is 42312629. The next prime is 42312649. The reversal of 42312634 is 43621324.

42312634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42312599 and 42312608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116062 + ... + 116425.

It is an arithmetic number, because the mean of its divisors is an integer number (4882248).

Almost surely, 2^42312634 is an apocalyptic number.

42312634 is a deficient number, since it is larger than the sum of its proper divisors (35803334).

42312634 is a wasteful number, since it uses less digits than its factorization.

42312634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232509.

The product of its digits is 3456, while the sum is 25.

The square root of 42312634 is about 6504.8162156974. The cubic root of 42312634 is about 348.4630127471.

Adding to 42312634 its reverse (43621324), we get a palindrome (85933958).

The spelling of 42312634 in words is "forty-two million, three hundred twelve thousand, six hundred thirty-four".