42634434 has 16 divisors (see below), whose sum is σ = 87573888. Its totient is φ = 13827312.

The previous prime is 42634391. The next prime is 42634439. The reversal of 42634434 is 43443624.

It is not an unprimeable number, because it can be changed into a prime (42634439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95802 + ... + 96245.

It is an arithmetic number, because the mean of its divisors is an integer number (5473368).

Almost surely, 2^42634434 is an apocalyptic number.

42634434 is an abundant number, since it is smaller than the sum of its proper divisors (44939454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42634434 is a wasteful number, since it uses less digits than its factorization.

42634434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192089.

The product of its digits is 27648, while the sum is 30.

The square root of 42634434 is about 6529.5048816890. The cubic root of 42634434 is about 349.3441705147.

The spelling of 42634434 in words is "forty-two million, six hundred thirty-four thousand, four hundred thirty-four".