42355634 has 16 divisors (see below), whose sum is σ = 64719000. Its totient is φ = 20786304.

The previous prime is 42355603. The next prime is 42355637. The reversal of 42355634 is 43655324.

It can be written as a sum of positive squares in 4 ways, for example, as 14845609 + 27510025 = 3853^2 + 5245^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42355634.

It is not an unprimeable number, because it can be changed into a prime (42355637) 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, 25724 + ... + 27320.

Almost surely, 2^42355634 is an apocalyptic number.

42355634 is a deficient number, since it is larger than the sum of its proper divisors (22363366).

42355634 is a wasteful number, since it uses less digits than its factorization.

42355634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its digits is 43200, while the sum is 32.

The square root of 42355634 is about 6508.1206196566. The cubic root of 42355634 is about 348.5810140407.

The spelling of 42355634 in words is "forty-two million, three hundred fifty-five thousand, six hundred thirty-four".