42199027 has 4 divisors (see below), whose sum is σ = 45445120. Its totient is φ = 38952936.

The previous prime is 42199021. The next prime is 42199033. The reversal of 42199027 is 72099124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42199021) and next prime (42199033).

It is a cyclic number.

It is not a de Polignac number, because 42199027 - 2¹⁵ = 42166259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42198983 and 42199001.

It is not an unprimeable number, because it can be changed into a prime (42199021) 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, 1623027 + ... + 1623052.

It is an arithmetic number, because the mean of its divisors is an integer number (11361280).

Almost surely, 2^42199027 is an apocalyptic number.

42199027 is a deficient number, since it is larger than the sum of its proper divisors (3246093).

42199027 is a wasteful number, since it uses less digits than its factorization.

42199027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246092.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 42199027 is about 6496.0778166521. The cubic root of 42199027 is about 348.1508654675.

The spelling of 42199027 in words is "forty-two million, one hundred ninety-nine thousand, twenty-seven".