42834687 has 16 divisors (see below), whose sum is σ = 65789952. Its totient is φ = 24282720.

The previous prime is 42834667. The next prime is 42834689. The reversal of 42834687 is 78643824.

It is not a de Polignac number, because 42834687 - 2¹² = 42830591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42834689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5364 + ... + 10697.

It is an arithmetic number, because the mean of its divisors is an integer number (4111872).

Almost surely, 2^42834687 is an apocalyptic number.

42834687 is a deficient number, since it is larger than the sum of its proper divisors (22955265).

42834687 is a wasteful number, since it uses less digits than its factorization.

42834687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198.

The product of its digits is 258048, while the sum is 42.

The square root of 42834687 is about 6544.8213879372. The cubic root of 42834687 is about 349.8902703638.

The spelling of 42834687 in words is "forty-two million, eight hundred thirty-four thousand, six hundred eighty-seven".