42666802 has 8 divisors (see below), whose sum is σ = 65207916. Its totient is φ = 20930832.

The previous prime is 42666797. The next prime is 42666829. The reversal of 42666802 is 20866624.

It can be written as a sum of positive squares in 2 ways, for example, as 36108081 + 6558721 = 6009^2 + 2561^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201153 + ... + 201364.

Almost surely, 2^42666802 is an apocalyptic number.

42666802 is a deficient number, since it is larger than the sum of its proper divisors (22541114).

42666802 is a wasteful number, since it uses less digits than its factorization.

42666802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402572.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 42666802 is about 6531.9830067140. The cubic root of 42666802 is about 349.4325553459.

The spelling of 42666802 in words is "forty-two million, six hundred sixty-six thousand, eight hundred two".