6470738 has 4 divisors (see below), whose sum is σ = 9706110. Its totient is φ = 3235368.

The previous prime is 6470731. The next prime is 6470753. The reversal of 6470738 is 8370746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8370746 = 2 ⋅4185373.

It can be written as a sum of positive squares in only one way, i.e., 5841889 + 628849 = 2417^2 + 793^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6470698 and 6470707.

It is not an unprimeable number, because it can be changed into a prime (6470731) 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, 1617683 + ... + 1617686.

Almost surely, 2^6470738 is an apocalyptic number.

6470738 is a deficient number, since it is larger than the sum of its proper divisors (3235372).

6470738 is a wasteful number, since it uses less digits than its factorization.

6470738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235371.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 6470738 is about 2543.7645331280. The cubic root of 6470738 is about 186.3450833513.

The spelling of 6470738 in words is "six million, four hundred seventy thousand, seven hundred thirty-eight".