427190061 has 8 divisors (see below), whose sum is σ = 570677920. Its totient is φ = 284247792.

The previous prime is 427190047. The next prime is 427190081. The reversal of 427190061 is 160091724.

It is a happy number.

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

It is not a de Polignac number, because 427190061 - 2⁷ = 427189933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427190011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134566 + ... + 137703.

It is an arithmetic number, because the mean of its divisors is an integer number (71334740).

Almost surely, 2^427190061 is an apocalyptic number.

It is an amenable number.

427190061 is a deficient number, since it is larger than the sum of its proper divisors (143487859).

427190061 is a wasteful number, since it uses less digits than its factorization.

427190061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272795.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 427190061 is about 20668.5766563641. The cubic root of 427190061 is about 753.1365303951.

The spelling of 427190061 in words is "four hundred twenty-seven million, one hundred ninety thousand, sixty-one".