427318529 has 8 divisors (see below), whose sum is σ = 466666272. Its totient is φ = 388054240.

The previous prime is 427318499. The next prime is 427318537. The reversal of 427318529 is 925813724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427318529 is a prime.

It is a super-2 number, since 2×427318529² = 365202250453447682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427318589) 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, 9899 + ... + 30864.

It is an arithmetic number, because the mean of its divisors is an integer number (58333284).

Almost surely, 2^427318529 is an apocalyptic number.

It is an amenable number.

427318529 is a deficient number, since it is larger than the sum of its proper divisors (39347743).

427318529 is a wasteful number, since it uses less digits than its factorization.

427318529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41727.

The product of its digits is 120960, while the sum is 41.

The square root of 427318529 is about 20671.6842323019. The cubic root of 427318529 is about 753.2120192352.

The spelling of 427318529 in words is "four hundred twenty-seven million, three hundred eighteen thousand, five hundred twenty-nine".