6470740 has 12 divisors (see below), whose sum is σ = 13588596. Its totient is φ = 2588288.

The previous prime is 6470731. The next prime is 6470753. The reversal of 6470740 is 470746.

It can be written as a sum of positive squares in 2 ways, for example, as 1435204 + 5035536 = 1198^2 + 2244^2 .

It is a super-2 number, since 2×6470740² = 83740952295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6470699 and 6470708.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 161749 + ... + 161788.

It is an arithmetic number, because the mean of its divisors is an integer number (1132383).

Almost surely, 2^6470740 is an apocalyptic number.

It is an amenable number.

6470740 is an abundant number, since it is smaller than the sum of its proper divisors (7117856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6470740 is a wasteful number, since it uses less digits than its factorization.

6470740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323546 (or 323544 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 6470740 is about 2543.7649262461. The cubic root of 6470740 is about 186.3451025500.

The spelling of 6470740 in words is "six million, four hundred seventy thousand, seven hundred forty".