42670768 has 60 divisors (see below), whose sum is σ = 98838912. Its totient is φ = 17781120.

The previous prime is 42670739. The next prime is 42670801. The reversal of 42670768 is 86707624.

It is a self number, because there is not a number n which added to its sum of digits gives 42670768.

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 11 ways as a sum of consecutive naturals, for example, 28273 + ... + 29743.

Almost surely, 2^42670768 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 42670768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49419456).

42670768 is an abundant number, since it is smaller than the sum of its proper divisors (56168144).

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

42670768 is a wasteful number, since it uses less digits than its factorization.

42670768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 42670768 is about 6532.2865828131. The cubic root of 42670768 is about 349.4433819254.

The spelling of 42670768 in words is "forty-two million, six hundred seventy thousand, seven hundred sixty-eight".