42705435 has 16 divisors (see below), whose sum is σ = 69292800. Its totient is φ = 22454880.

The previous prime is 42705431. The next prime is 42705461. The reversal of 42705435 is 53450724.

It is not a de Polignac number, because 42705435 - 2² = 42705431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42705431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18985 + ... + 21114.

It is an arithmetic number, because the mean of its divisors is an integer number (4330800).

Almost surely, 2^42705435 is an apocalyptic number.

42705435 is a deficient number, since it is larger than the sum of its proper divisors (26587365).

42705435 is a wasteful number, since it uses less digits than its factorization.

42705435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40178.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 42705435 is about 6534.9395559561. The cubic root of 42705435 is about 349.5379890389.

The spelling of 42705435 in words is "forty-two million, seven hundred five thousand, four hundred thirty-five".