42671361 has 4 divisors (see below), whose sum is σ = 56895152. Its totient is φ = 28447572.

The previous prime is 42671353. The next prime is 42671381. The reversal of 42671361 is 16317624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42671361 - 2³ = 42671353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42671311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7111891 + ... + 7111896.

It is an arithmetic number, because the mean of its divisors is an integer number (14223788).

Almost surely, 2^42671361 is an apocalyptic number.

It is an amenable number.

42671361 is a deficient number, since it is larger than the sum of its proper divisors (14223791).

42671361 is a wasteful number, since it uses less digits than its factorization.

42671361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223790.

The product of its digits is 6048, while the sum is 30.

The square root of 42671361 is about 6532.3319725807. The cubic root of 42671361 is about 349.4450006680.

Adding to 42671361 its reverse (16317624), we get a palindrome (58988985).

The spelling of 42671361 in words is "forty-two million, six hundred seventy-one thousand, three hundred sixty-one".