42875457 has 8 divisors (see below), whose sum is σ = 60176160. Its totient is φ = 27079200.

The previous prime is 42875453. The next prime is 42875467. The reversal of 42875457 is 75457824.

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

It is not a de Polignac number, because 42875457 - 2² = 42875453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42875453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376044 + ... + 376157.

It is an arithmetic number, because the mean of its divisors is an integer number (7522020).

Almost surely, 2^42875457 is an apocalyptic number.

It is an amenable number.

42875457 is a deficient number, since it is larger than the sum of its proper divisors (17300703).

42875457 is a wasteful number, since it uses less digits than its factorization.

42875457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752223.

The product of its digits is 313600, while the sum is 42.

The square root of 42875457 is about 6547.9353234436. The cubic root of 42875457 is about 350.0012435330.

The spelling of 42875457 in words is "forty-two million, eight hundred seventy-five thousand, four hundred fifty-seven".