42667527 has 16 divisors (see below), whose sum is σ = 65135360. Its totient is φ = 24337152.

The previous prime is 42667523. The next prime is 42667529. The reversal of 42667527 is 72576624.

It is a happy number.

It is not a de Polignac number, because 42667527 - 2² = 42667523 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42667523) 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, 12624 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (4070960).

Almost surely, 2^42667527 is an apocalyptic number.

42667527 is a deficient number, since it is larger than the sum of its proper divisors (22467833).

42667527 is a wasteful number, since it uses less digits than its factorization.

42667527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702.

The product of its digits is 141120, while the sum is 39.

The square root of 42667527 is about 6532.0385026422. The cubic root of 42667527 is about 349.4345345362.

The spelling of 42667527 in words is "forty-two million, six hundred sixty-seven thousand, five hundred twenty-seven".