42634536 has 32 divisors (see below), whose sum is σ = 121813440. Its totient is φ = 12181248.

The previous prime is 42634531. The next prime is 42634541. The reversal of 42634536 is 63543624.

It is an interprime number because it is at equal distance from previous prime (42634531) and next prime (42634541).

It is a junction number, because it is equal to n+sod(n) for n = 42634497 and 42634506.

It is not an unprimeable number, because it can be changed into a prime (42634531) 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, 126721 + ... + 127056.

It is an arithmetic number, because the mean of its divisors is an integer number (3806670).

Almost surely, 2^42634536 is an apocalyptic number.

It is an amenable number.

42634536 is an abundant number, since it is smaller than the sum of its proper divisors (79178904).

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

42634536 is a wasteful number, since it uses less digits than its factorization.

42634536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253793 (or 253789 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 42634536 is about 6529.5126923837. The cubic root of 42634536 is about 349.3444491086.

The spelling of 42634536 in words is "forty-two million, six hundred thirty-four thousand, five hundred thirty-six".