42666992 has 20 divisors (see below), whose sum is σ = 83402400. Its totient is φ = 21143808.

The previous prime is 42666983. The next prime is 42667003. The reversal of 42666992 is 29966624.

It is a congruent number.

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, 9992 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (4170120).

Almost surely, 2^42666992 is an apocalyptic number.

It is an amenable number.

42666992 is a deficient number, since it is larger than the sum of its proper divisors (40735408).

42666992 is a wasteful number, since it uses less digits than its factorization.

42666992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23720 (or 23714 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 42666992 is about 6531.9975505201. The cubic root of 42666992 is about 349.4330740324.

The spelling of 42666992 in words is "forty-two million, six hundred sixty-six thousand, nine hundred ninety-two".