42572427 has 8 divisors (see below), whose sum is σ = 57348816. Its totient is φ = 28088832.

The previous prime is 42572423. The next prime is 42572441. The reversal of 42572427 is 72427524.

It is a happy number.

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

It is not a de Polignac number, because 42572427 - 2² = 42572423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42572423) 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, 72858 + ... + 73439.

It is an arithmetic number, because the mean of its divisors is an integer number (7168602).

Almost surely, 2^42572427 is an apocalyptic number.

42572427 is a deficient number, since it is larger than the sum of its proper divisors (14776389).

42572427 is a wasteful number, since it uses less digits than its factorization.

42572427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146397.

The product of its digits is 31360, while the sum is 33.

The square root of 42572427 is about 6524.7549379268. The cubic root of 42572427 is about 349.1747277116.

The spelling of 42572427 in words is "forty-two million, five hundred seventy-two thousand, four hundred twenty-seven".