6432730 has 8 divisors (see below), whose sum is σ = 11578932. Its totient is φ = 2573088.

The previous prime is 6432721. The next prime is 6432739. The reversal of 6432730 is 372346.

It is an interprime number because it is at equal distance from previous prime (6432721) and next prime (6432739).

It can be written as a sum of positive squares in 2 ways, for example, as 6416089 + 16641 = 2533^2 + 129^2 .

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 = 6432695 and 6432704.

It is not an unprimeable number, because it can be changed into a prime (6432739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321627 + ... + 321646.

Almost surely, 2^6432730 is an apocalyptic number.

6432730 is a deficient number, since it is larger than the sum of its proper divisors (5146202).

6432730 is a wasteful number, since it uses less digits than its factorization.

6432730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643280.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 6432730 is about 2536.2827129482. The cubic root of 6432730 is about 185.9795136800.

The spelling of 6432730 in words is "six million, four hundred thirty-two thousand, seven hundred thirty".