42738680 has 32 divisors (see below), whose sum is σ = 101820240. Its totient is φ = 16089600.

The previous prime is 42738667. The next prime is 42738719. The reversal of 42738680 is 8683724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30746 + ... + 32105.

Almost surely, 2^42738680 is an apocalyptic number.

42738680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42738680 is an abundant number, since it is smaller than the sum of its proper divisors (59081560).

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

42738680 is a wasteful number, since it uses less digits than its factorization.

42738680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62879 (or 62875 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42738680 is about 6537.4826959618. The cubic root of 42738680 is about 349.6286673984.

The spelling of 42738680 in words is "forty-two million, seven hundred thirty-eight thousand, six hundred eighty".