42668970 has 32 divisors (see below), whose sum is σ = 102582720. Its totient is φ = 11358720.

The previous prime is 42668959. The next prime is 42668993. The reversal of 42668970 is 7986624.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27105 + ... + 28635.

It is an arithmetic number, because the mean of its divisors is an integer number (3205710).

Almost surely, 2^42668970 is an apocalyptic number.

42668970 is an abundant number, since it is smaller than the sum of its proper divisors (59913750).

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

42668970 is a wasteful number, since it uses less digits than its factorization.

42668970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 42668970 is about 6532.1489572728. The cubic root of 42668970 is about 349.4384737408.

It can be divided in two parts, 426 and 68970, that added together give a palindrome (69396).

The spelling of 42668970 in words is "forty-two million, six hundred sixty-eight thousand, nine hundred seventy".