42030475 has 6 divisors (see below), whose sum is σ = 52117820. Its totient is φ = 33624360.

The previous prime is 42030473. The next prime is 42030481. The reversal of 42030475 is 57403024.

It is not a de Polignac number, because 42030475 - 2¹ = 42030473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1681219 = 42030475 / (4 + 2 + 0 + 3 + 0 + 4 + 7 + 5).

It is not an unprimeable number, because it can be changed into a prime (42030473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840585 + ... + 840634.

Almost surely, 2^42030475 is an apocalyptic number.

42030475 is a deficient number, since it is larger than the sum of its proper divisors (10087345).

42030475 is a wasteful number, since it uses less digits than its factorization.

42030475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681229 (or 1681224 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42030475 is about 6483.0914693532. The cubic root of 42030475 is about 347.6867171086.

Adding to 42030475 its reverse (57403024), we get a palindrome (99433499).

The spelling of 42030475 in words is "forty-two million, thirty thousand, four hundred seventy-five".