42678576 has 70 divisors (see below), whose sum is σ = 124011780. Its totient is φ = 14222304.

The previous prime is 42678539. The next prime is 42678583. The reversal of 42678576 is 67587624.

42678576 is a `hidden beast` number, since 4 + 2 + 6 + 78 + 576 = 666.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 9835 + ... + 13493.

Almost surely, 2^42678576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42678576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62005890).

42678576 is an abundant number, since it is smaller than the sum of its proper divisors (81333204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42678576 is an equidigital number, since it uses as much as digits as its factorization.

42678576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3664 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 42678576 is about 6532.8842022494. The cubic root of 42678576 is about 349.4646946230.

The spelling of 42678576 in words is "forty-two million, six hundred seventy-eight thousand, five hundred seventy-six".