42661076 has 6 divisors (see below), whose sum is σ = 74656890. Its totient is φ = 21330536.

The previous prime is 42661063. The next prime is 42661079. The reversal of 42661076 is 67016624.

42661076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 722500 = 6476^2 + 850^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42661079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332631 + ... + 5332638.

It is an arithmetic number, because the mean of its divisors is an integer number (12442815).

Almost surely, 2^42661076 is an apocalyptic number.

It is an amenable number.

42661076 is a deficient number, since it is larger than the sum of its proper divisors (31995814).

42661076 is a wasteful number, since it uses less digits than its factorization.

42661076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10665273 (or 10665271 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 42661076 is about 6531.5446871318. The cubic root of 42661076 is about 349.4169230492.

The spelling of 42661076 in words is "forty-two million, six hundred sixty-one thousand, seventy-six".