42625671 has 16 divisors (see below), whose sum is σ = 63054720. Its totient is φ = 25394720.

The previous prime is 42625669. The next prime is 42625673. The reversal of 42625671 is 17652624.

It is an interprime number because it is at equal distance from previous prime (42625669) and next prime (42625673).

It is a cyclic number.

It is not a de Polignac number, because 42625671 - 2¹ = 42625669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42625673) 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, 9000 + ... + 12893.

It is an arithmetic number, because the mean of its divisors is an integer number (3940920).

Almost surely, 2^42625671 is an apocalyptic number.

42625671 is a deficient number, since it is larger than the sum of its proper divisors (20429049).

42625671 is a wasteful number, since it uses less digits than its factorization.

42625671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966.

The product of its digits is 20160, while the sum is 33.

The square root of 42625671 is about 6528.8338162340. The cubic root of 42625671 is about 349.3202343639.

The spelling of 42625671 in words is "forty-two million, six hundred twenty-five thousand, six hundred seventy-one".