42173342 has 4 divisors (see below), whose sum is σ = 63260016. Its totient is φ = 21086670.

The previous prime is 42173333. The next prime is 42173347. The reversal of 42173342 is 24337124.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42173347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10543334 + ... + 10543337.

It is an arithmetic number, because the mean of its divisors is an integer number (15815004).

Almost surely, 2^42173342 is an apocalyptic number.

42173342 is a deficient number, since it is larger than the sum of its proper divisors (21086674).

42173342 is a wasteful number, since it uses less digits than its factorization.

42173342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21086673.

The product of its digits is 4032, while the sum is 26.

The square root of 42173342 is about 6494.1005535794. The cubic root of 42173342 is about 348.0802155773.

The spelling of 42173342 in words is "forty-two million, one hundred seventy-three thousand, three hundred forty-two".