42500634 has 16 divisors (see below), whose sum is σ = 92728800. Its totient is φ = 12878960.

The previous prime is 42500621. The next prime is 42500651. The reversal of 42500634 is 43600524.

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, 321909 + ... + 322040.

It is an arithmetic number, because the mean of its divisors is an integer number (5795550).

Almost surely, 2^42500634 is an apocalyptic number.

42500634 is an abundant number, since it is smaller than the sum of its proper divisors (50228166).

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

42500634 is a wasteful number, since it uses less digits than its factorization.

42500634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643965.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42500634 is about 6519.2510306016. The cubic root of 42500634 is about 348.9783376401.

It can be divided in two parts, 42500 and 634, that added together give a palindrome (43134).

The spelling of 42500634 in words is "forty-two million, five hundred thousand, six hundred thirty-four".