6472646 has 4 divisors (see below), whose sum is σ = 9708972. Its totient is φ = 3236322.

The previous prime is 6472643. The next prime is 6472657. The reversal of 6472646 is 6462746.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618160 + ... + 1618163.

It is an arithmetic number, because the mean of its divisors is an integer number (2427243).

Almost surely, 2^6472646 is an apocalyptic number.

6472646 is a deficient number, since it is larger than the sum of its proper divisors (3236326).

6472646 is a wasteful number, since it uses less digits than its factorization.

6472646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236325.

The product of its digits is 48384, while the sum is 35.

The square root of 6472646 is about 2544.1395401982. The cubic root of 6472646 is about 186.3633971551.

The spelling of 6472646 in words is "six million, four hundred seventy-two thousand, six hundred forty-six".