1427340317 has 8 divisors (see below), whose sum is σ = 1539984600. Its totient is φ = 1315103040.

The previous prime is 1427340301. The next prime is 1427340373. The reversal of 1427340317 is 7130437241.

It can be written as a sum of positive squares in 4 ways, for example, as 6728836 + 1420611481 = 2594^2 + 37691^2 .

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 1427340317 - 2⁴ = 1427340301 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 (1427340377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94442 + ... + 108507.

It is an arithmetic number, because the mean of its divisors is an integer number (192498075).

Almost surely, 2^1427340317 is an apocalyptic number.

It is an amenable number.

1427340317 is a deficient number, since it is larger than the sum of its proper divisors (112644283).

1427340317 is a wasteful number, since it uses less digits than its factorization.

1427340317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203503.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1427340317 is about 37780.1577153934. The cubic root of 1427340317 is about 1125.9242622106.

Adding to 1427340317 its reverse (7130437241), we get a palindrome (8557777558).

The spelling of 1427340317 in words is "one billion, four hundred twenty-seven million, three hundred forty thousand, three hundred seventeen".