42694635 has 16 divisors (see below), whose sum is σ = 69081120. Its totient is φ = 22513920.

The previous prime is 42694573. The next prime is 42694637. The reversal of 42694635 is 53649624.

It is not a de Polignac number, because 42694635 - 2⁷ = 42694507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42694593 and 42694602.

It is not an unprimeable number, because it can be changed into a prime (42694637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14656 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (4317570).

Almost surely, 2^42694635 is an apocalyptic number.

42694635 is a deficient number, since it is larger than the sum of its proper divisors (26386485).

42694635 is a wasteful number, since it uses less digits than its factorization.

42694635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078.

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

The square root of 42694635 is about 6534.1131762466. The cubic root of 42694635 is about 349.5085210601.

The spelling of 42694635 in words is "forty-two million, six hundred ninety-four thousand, six hundred thirty-five".