42766930 has 8 divisors (see below), whose sum is σ = 76980492. Its totient is φ = 17106768.

The previous prime is 42766819. The next prime is 42766961. The reversal of 42766930 is 3966724.

It can be written as a sum of positive squares in 2 ways, for example, as 41641209 + 1125721 = 6453^2 + 1061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42766930.

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, 2138337 + ... + 2138356.

Almost surely, 2^42766930 is an apocalyptic number.

42766930 is a deficient number, since it is larger than the sum of its proper divisors (34213562).

42766930 is a wasteful number, since it uses less digits than its factorization.

42766930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276700.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 42766930 is about 6539.6429566147. The cubic root of 42766930 is about 349.7056845519.

The spelling of 42766930 in words is "forty-two million, seven hundred sixty-six thousand, nine hundred thirty".