42527766 has 16 divisors (see below), whose sum is σ = 85151664. Its totient is φ = 14159904.

The previous prime is 42527747. The next prime is 42527801. The reversal of 42527766 is 66772524.

It is a happy number.

It is a super-2 number, since 2×42527766² = 3617221761901512, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (5321979).

Almost surely, 2^42527766 is an apocalyptic number.

42527766 is an abundant number, since it is smaller than the sum of its proper divisors (42623898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42527766 is a wasteful number, since it uses less digits than its factorization.

42527766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015.

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

The square root of 42527766 is about 6521.3316124853. The cubic root of 42527766 is about 349.0525833255.

The spelling of 42527766 in words is "forty-two million, five hundred twenty-seven thousand, seven hundred sixty-six".