42842627 has 2 divisors, whose sum is σ = 42842628. Its totient is φ = 42842626.

The previous prime is 42842621. The next prime is 42842647. The reversal of 42842627 is 72624824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42842627 - 2⁶ = 42842563 is a prime.

It is a super-2 number, since 2×42842627² = 3670981376522258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42842621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21421313 + 21421314.

It is an arithmetic number, because the mean of its divisors is an integer number (21421314).

Almost surely, 2^42842627 is an apocalyptic number.

42842627 is a deficient number, since it is larger than the sum of its proper divisors (1).

42842627 is an equidigital number, since it uses as much as digits as its factorization.

42842627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 35.

The square root of 42842627 is about 6545.4279462843. The cubic root of 42842627 is about 349.9118880239.

The spelling of 42842627 in words is "forty-two million, eight hundred forty-two thousand, six hundred twenty-seven".