42649475 has 36 divisors (see below), whose sum is σ = 60756528. Its totient is φ = 29620800.

The previous prime is 42649469. The next prime is 42649489. The reversal of 42649475 is 57494624.

It is not a de Polignac number, because 42649475 - 2¹⁰ = 42648451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69269 + ... + 69881.

Almost surely, 2^42649475 is an apocalyptic number.

42649475 is a deficient number, since it is larger than the sum of its proper divisors (18107053).

42649475 is a wasteful number, since it uses less digits than its factorization.

42649475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 652 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 42649475 is about 6530.6565519862. The cubic root of 42649475 is about 349.3852473892.

The spelling of 42649475 in words is "forty-two million, six hundred forty-nine thousand, four hundred seventy-five".