42667051 has 16 divisors (see below), whose sum is σ = 50195200. Its totient is φ = 35507808.

The previous prime is 42667039. The next prime is 42667057. The reversal of 42667051 is 15076624.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-42667051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42667057) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68620 + ... + 69238.

It is an arithmetic number, because the mean of its divisors is an integer number (3137200).

Almost surely, 2^42667051 is an apocalyptic number.

42667051 is a deficient number, since it is larger than the sum of its proper divisors (7528149).

42667051 is a wasteful number, since it uses less digits than its factorization.

42667051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42667051 is about 6532.0020667480. The cubic root of 42667051 is about 349.4332350979.

The spelling of 42667051 in words is "forty-two million, six hundred sixty-seven thousand, fifty-one".