6427532738 has 32 divisors (see below), whose sum is σ = 10706024448. Its totient is φ = 2869776000.

The previous prime is 6427532723. The next prime is 6427532767. The reversal of 6427532738 is 8372357246.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6427532692 and 6427532701.

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 15 ways as a sum of consecutive naturals, for example, 270806 + ... + 293582.

It is an arithmetic number, because the mean of its divisors is an integer number (334563264).

Almost surely, 2^6427532738 is an apocalyptic number.

6427532738 is a deficient number, since it is larger than the sum of its proper divisors (4278491710).

6427532738 is a wasteful number, since it uses less digits than its factorization.

6427532738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23018.

The product of its digits is 1693440, while the sum is 47.

The square root of 6427532738 is about 80171.8949383136. The cubic root of 6427532738 is about 1859.2941340169.

The spelling of 6427532738 in words is "six billion, four hundred twenty-seven million, five hundred thirty-two thousand, seven hundred thirty-eight".