42573147 has 8 divisors (see below), whose sum is σ = 56794944. Its totient is φ = 28366728.

The previous prime is 42573127. The next prime is 42573173. The reversal of 42573147 is 74137524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42573147 - 2¹⁹ = 42048859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42573127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6948 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (7099368).

Almost surely, 2^42573147 is an apocalyptic number.

42573147 is a deficient number, since it is larger than the sum of its proper divisors (14221797).

42573147 is a wasteful number, since it uses less digits than its factorization.

42573147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689.

The product of its digits is 23520, while the sum is 33.

The square root of 42573147 is about 6524.8101121795. The cubic root of 42573147 is about 349.1766961561.

The spelling of 42573147 in words is "forty-two million, five hundred seventy-three thousand, one hundred forty-seven".