6472138 has 8 divisors (see below), whose sum is σ = 10279332. Its totient is φ = 3045696.

The previous prime is 6472111. The next prime is 6472139. The reversal of 6472138 is 8312746.

It can be written as a sum of positive squares in 2 ways, for example, as 6115729 + 356409 = 2473^2 + 597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6472139) 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, 95145 + ... + 95212.

Almost surely, 2^6472138 is an apocalyptic number.

6472138 is a deficient number, since it is larger than the sum of its proper divisors (3807194).

6472138 is a wasteful number, since it uses less digits than its factorization.

6472138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190376.

The product of its digits is 8064, while the sum is 31.

The square root of 6472138 is about 2544.0397009481. The cubic root of 6472138 is about 186.3585215044.

The spelling of 6472138 in words is "six million, four hundred seventy-two thousand, one hundred thirty-eight".