42827669 has 4 divisors (see below), whose sum is σ = 43738944. Its totient is φ = 41916396.

The previous prime is 42827663. The next prime is 42827683. The reversal of 42827669 is 96672824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42827669 - 2¹⁶ = 42762133 is a prime.

It is a super-2 number, since 2×42827669² = 3668418463947122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42827663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455567 + ... + 455660.

It is an arithmetic number, because the mean of its divisors is an integer number (10934736).

Almost surely, 2^42827669 is an apocalyptic number.

It is an amenable number.

42827669 is a deficient number, since it is larger than the sum of its proper divisors (911275).

42827669 is an equidigital number, since it uses as much as digits as its factorization.

42827669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911274.

The product of its digits is 290304, while the sum is 44.

The square root of 42827669 is about 6544.2852168896. The cubic root of 42827669 is about 349.8711607418.

The spelling of 42827669 in words is "forty-two million, eight hundred twenty-seven thousand, six hundred sixty-nine".