42475405 has 16 divisors (see below), whose sum is σ = 59443200. Its totient is φ = 29124816.

The previous prime is 42475403. The next prime is 42475421. The reversal of 42475405 is 50457424.

It is not a de Polignac number, because 42475405 - 2¹ = 42475403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42475403) 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, 10669 + ... + 14098.

It is an arithmetic number, because the mean of its divisors is an integer number (3715200).

Almost surely, 2^42475405 is an apocalyptic number.

It is an amenable number.

42475405 is a deficient number, since it is larger than the sum of its proper divisors (16967795).

42475405 is an equidigital number, since it uses as much as digits as its factorization.

42475405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793 (or 24779 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 42475405 is about 6517.3157818231. The cubic root of 42475405 is about 348.9092710846.

The spelling of 42475405 in words is "forty-two million, four hundred seventy-five thousand, four hundred five".