42468578 has 8 divisors (see below), whose sum is σ = 63730668. Its totient is φ = 21225024.

The previous prime is 42468551. The next prime is 42468593. The reversal of 42468578 is 87586424.

It can be written as a sum of positive squares in 2 ways, for example, as 25633969 + 16834609 = 5063^2 + 4103^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5750 + ... + 10862.

Almost surely, 2^42468578 is an apocalyptic number.

42468578 is a deficient number, since it is larger than the sum of its proper divisors (21262090).

42468578 is a wasteful number, since it uses less digits than its factorization.

42468578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268.

The product of its digits is 430080, while the sum is 44.

The square root of 42468578 is about 6516.7920022048. The cubic root of 42468578 is about 348.8905768840.

The spelling of 42468578 in words is "forty-two million, four hundred sixty-eight thousand, five hundred seventy-eight".