427130945 has 8 divisors (see below), whose sum is σ = 515520936. Its totient is φ = 339728896.

The previous prime is 427130897. The next prime is 427130969. The reversal of 427130945 is 549031724.

It can be written as a sum of positive squares in 4 ways, for example, as 198274561 + 228856384 = 14081^2 + 15128^2 .

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 427130945 - 2¹² = 427126849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246032 + ... + 247761.

It is an arithmetic number, because the mean of its divisors is an integer number (64440117).

Almost surely, 2^427130945 is an apocalyptic number.

It is an amenable number.

427130945 is a deficient number, since it is larger than the sum of its proper divisors (88389991).

427130945 is a wasteful number, since it uses less digits than its factorization.

427130945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493971.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 427130945 is about 20667.1465132466. The cubic root of 427130945 is about 753.1017882690.

The spelling of 427130945 in words is "four hundred twenty-seven million, one hundred thirty thousand, nine hundred forty-five".