42635694 has 16 divisors (see below), whose sum is σ = 90287568. Its totient is φ = 13375872.

The previous prime is 42635687. The next prime is 42635707. The reversal of 42635694 is 49653624.

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, 208897 + ... + 209100.

It is an arithmetic number, because the mean of its divisors is an integer number (5642973).

Almost surely, 2^42635694 is an apocalyptic number.

42635694 is an abundant number, since it is smaller than the sum of its proper divisors (47651874).

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

42635694 is a wasteful number, since it uses less digits than its factorization.

42635694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418019.

The product of its digits is 155520, while the sum is 39.

The square root of 42635694 is about 6529.6013660866. The cubic root of 42635694 is about 349.3476119373.

The spelling of 42635694 in words is "forty-two million, six hundred thirty-five thousand, six hundred ninety-four".