42768580 has 12 divisors (see below), whose sum is σ = 89814060. Its totient is φ = 17107424.

The previous prime is 42768521. The next prime is 42768599. The reversal of 42768580 is 8586724.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 28751044 = 3744^2 + 5362^2 .

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, 1069195 + ... + 1069234.

It is an arithmetic number, because the mean of its divisors is an integer number (7484505).

Almost surely, 2^42768580 is an apocalyptic number.

It is an amenable number.

42768580 is an abundant number, since it is smaller than the sum of its proper divisors (47045480).

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

42768580 is a wasteful number, since it uses less digits than its factorization.

42768580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138438 (or 2138436 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 42768580 is about 6539.7691090741. The cubic root of 42768580 is about 349.7101818505.

The spelling of 42768580 in words is "forty-two million, seven hundred sixty-eight thousand, five hundred eighty".