6427469 has 8 divisors (see below), whose sum is σ = 6595992. Its totient is φ = 6260800.

The previous prime is 6427459. The next prime is 6427471. The reversal of 6427469 is 9647246.

It can be written as a sum of positive squares in 4 ways, for example, as 4251844 + 2175625 = 2062^2 + 1475^2 .

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-6427469 is a prime.

It is a super-2 number, since 2×6427469² = 82624715491922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427439) 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, 8819 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (824499).

Almost surely, 2^6427469 is an apocalyptic number.

It is an amenable number.

6427469 is a deficient number, since it is larger than the sum of its proper divisors (168523).

6427469 is a wasteful number, since it uses less digits than its factorization.

6427469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its digits is 72576, while the sum is 38.

The square root of 6427469 is about 2535.2453530181. The cubic root of 6427469 is about 185.9287988160.

The spelling of 6427469 in words is "six million, four hundred twenty-seven thousand, four hundred sixty-nine".