42166276 has 6 divisors (see below), whose sum is σ = 73790990. Its totient is φ = 21083136.

The previous prime is 42166259. The next prime is 42166277. The reversal of 42166276 is 67266124.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 1512900 = 6376^2 + 1230^2 .

It is not an unprimeable number, because it can be changed into a prime (42166277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270781 + ... + 5270788.

Almost surely, 2^42166276 is an apocalyptic number.

It is an amenable number.

42166276 is a deficient number, since it is larger than the sum of its proper divisors (31624714).

42166276 is a wasteful number, since it uses less digits than its factorization.

42166276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541573 (or 10541571 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 42166276 is about 6493.5564985607. The cubic root of 42166276 is about 348.0607746061.

The spelling of 42166276 in words is "forty-two million, one hundred sixty-six thousand, two hundred seventy-six".