6499732 has 6 divisors (see below), whose sum is σ = 11374538. Its totient is φ = 3249864.

The previous prime is 6499723. The next prime is 6499747. The reversal of 6499732 is 2379946.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 329476 = 2484^2 + 574^2 .

It is a d-powerful number, because it can be written as 6⁸ + 4³ + 9² + 9⁷ + 7⁵ + 3⁹ + 2⁹ .

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 as a sum of consecutive naturals, namely, 812463 + ... + 812470.

Almost surely, 2^6499732 is an apocalyptic number.

It is an amenable number.

6499732 is a deficient number, since it is larger than the sum of its proper divisors (4874806).

6499732 is a wasteful number, since it uses less digits than its factorization.

6499732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624937 (or 1624935 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 6499732 is about 2549.4571971304. The cubic root of 6499732 is about 186.6229929005.

The spelling of 6499732 in words is "six million, four hundred ninety-nine thousand, seven hundred thirty-two".