42681334 has 16 divisors (see below), whose sum is σ = 68500080. Its totient is φ = 19884960.

The previous prime is 42681319. The next prime is 42681383. The reversal of 42681334 is 43318624.

It is a junction number, because it is equal to n+sod(n) for n = 42681296 and 42681305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6889 + ... + 11524.

It is an arithmetic number, because the mean of its divisors is an integer number (4281255).

Almost surely, 2^42681334 is an apocalyptic number.

42681334 is a deficient number, since it is larger than the sum of its proper divisors (25818746).

42681334 is a wasteful number, since it uses less digits than its factorization.

42681334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18495.

The product of its digits is 13824, while the sum is 31.

The square root of 42681334 is about 6533.0952847789. The cubic root of 42681334 is about 349.4722222318.

Adding to 42681334 its reverse (43318624), we get a palindrome (85999958).

The spelling of 42681334 in words is "forty-two million, six hundred eighty-one thousand, three hundred thirty-four".