42533578 has 8 divisors (see below), whose sum is σ = 66574368. Its totient is φ = 20342124.

The previous prime is 42533573. The next prime is 42533587. The reversal of 42533578 is 87533524.

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

It is not an unprimeable number, because it can be changed into a prime (42533573) 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, 462276 + ... + 462367.

It is an arithmetic number, because the mean of its divisors is an integer number (8321796).

Almost surely, 2^42533578 is an apocalyptic number.

42533578 is a deficient number, since it is larger than the sum of its proper divisors (24040790).

42533578 is a wasteful number, since it uses less digits than its factorization.

42533578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924668.

The product of its digits is 100800, while the sum is 37.

The square root of 42533578 is about 6521.7772117729. Note that the first 3 decimals coincide. The cubic root of 42533578 is about 349.0684835353.

The spelling of 42533578 in words is "forty-two million, five hundred thirty-three thousand, five hundred seventy-eight".