42070475 has 12 divisors (see below), whose sum is σ = 52251864. Its totient is φ = 33601920.

The previous prime is 42070471. The next prime is 42070489. The reversal of 42070475 is 57407024.

42070475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42070475 - 2² = 42070471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42070471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22787 + ... + 24563.

It is an arithmetic number, because the mean of its divisors is an integer number (4354322).

Almost surely, 2^42070475 is an apocalyptic number.

42070475 is a deficient number, since it is larger than the sum of its proper divisors (10181389).

42070475 is a wasteful number, since it uses less digits than its factorization.

42070475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 42070475 is about 6486.1756837138. The cubic root of 42070475 is about 347.7969788424.

Adding to 42070475 its reverse (57407024), we get a palindrome (99477499).

The spelling of 42070475 in words is "forty-two million, seventy thousand, four hundred seventy-five".