6422738 has 32 divisors (see below), whose sum is σ = 11556864. Its totient is φ = 2619792.

The previous prime is 6422729. The next prime is 6422761. The reversal of 6422738 is 8372246.

It is a d-powerful number, because it can be written as 6 + 4¹¹ + 2⁷ + 2¹⁷ + 7² + 3³ + 8⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28181 + ... + 28407.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 2^6422738 is an apocalyptic number.

6422738 is a deficient number, since it is larger than the sum of its proper divisors (5134126).

6422738 is a wasteful number, since it uses less digits than its factorization.

6422738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 16128, while the sum is 32.

The square root of 6422738 is about 2534.3121354719. The cubic root of 6422738 is about 185.8831693956.

The spelling of 6422738 in words is "six million, four hundred twenty-two thousand, seven hundred thirty-eight".