6435472730 has 16 divisors (see below), whose sum is σ = 11584770120. Its totient is φ = 2573984832.

The previous prime is 6435472717. The next prime is 6435472793. The reversal of 6435472730 is 372745346.

It can be written as a sum of positive squares in 4 ways, for example, as 3974419849 + 2461052881 = 63043^2 + 49609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212156 + ... + 240584.

Almost surely, 2^6435472730 is an apocalyptic number.

6435472730 is a deficient number, since it is larger than the sum of its proper divisors (5149297390).

6435472730 is a wasteful number, since it uses less digits than its factorization.

6435472730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51073.

The product of its (nonzero) digits is 423360, while the sum is 41.

The square root of 6435472730 is about 80221.3982052170. The cubic root of 6435472730 is about 1860.0594201929.

The spelling of 6435472730 in words is "six billion, four hundred thirty-five million, four hundred seventy-two thousand, seven hundred thirty".