427042193 has 8 divisors (see below), whose sum is σ = 454533120. Its totient is φ = 399814720.

The previous prime is 427042171. The next prime is 427042201. The reversal of 427042193 is 391240724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427042193 - 2¹⁸ = 426780049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427042393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62513 + ... + 69006.

It is an arithmetic number, because the mean of its divisors is an integer number (56816640).

Almost surely, 2^427042193 is an apocalyptic number.

It is an amenable number.

427042193 is a deficient number, since it is larger than the sum of its proper divisors (27490927).

427042193 is a wasteful number, since it uses less digits than its factorization.

427042193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131727.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 427042193 is about 20664.9992257440. Note that the first 3 decimals coincide. The cubic root of 427042193 is about 753.0496232201.

Adding to 427042193 its sum of digits (32), we get a square (427042225 = 20665²).

The spelling of 427042193 in words is "four hundred twenty-seven million, forty-two thousand, one hundred ninety-three".