6409730 has 8 divisors (see below), whose sum is σ = 11537532. Its totient is φ = 2563888.

The previous prime is 6409721. The next prime is 6409747. The reversal of 6409730 is 379046.

It can be written as a sum of positive squares in 2 ways, for example, as 6355441 + 54289 = 2521^2 + 233^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6409693 and 6409702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320477 + ... + 320496.

Almost surely, 2^6409730 is an apocalyptic number.

6409730 is a deficient number, since it is larger than the sum of its proper divisors (5127802).

6409730 is a wasteful number, since it uses less digits than its factorization.

6409730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640980.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 6409730 is about 2531.7444578788. The cubic root of 6409730 is about 185.7575945769.

The spelling of 6409730 in words is "six million, four hundred nine thousand, seven hundred thirty".