42357673 has 4 divisors (see below), whose sum is σ = 42375168. Its totient is φ = 42340180.

The previous prime is 42357649. The next prime is 42357691. The reversal of 42357673 is 37675324.

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 a cyclic number.

It is not a de Polignac number, because 42357673 - 2¹³ = 42349481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42357613) 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, 4393 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (10593792).

Almost surely, 2^42357673 is an apocalyptic number.

It is an amenable number.

42357673 is a deficient number, since it is larger than the sum of its proper divisors (17495).

42357673 is a wasteful number, since it uses less digits than its factorization.

42357673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494.

The product of its digits is 105840, while the sum is 37.

The square root of 42357673 is about 6508.2772682178. The cubic root of 42357673 is about 348.5866075137.

The spelling of 42357673 in words is "forty-two million, three hundred fifty-seven thousand, six hundred seventy-three".