6449077 has 4 divisors (see below), whose sum is σ = 6455020. Its totient is φ = 6443136.

The previous prime is 6449071. The next prime is 6449081. The reversal of 6449077 is 7709446.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7709446 = 2 ⋅3854723.

It can be written as a sum of positive squares in 2 ways, for example, as 128881 + 6320196 = 359^2 + 2514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6449077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (1613755).

Almost surely, 2^6449077 is an apocalyptic number.

It is an amenable number.

6449077 is a deficient number, since it is larger than the sum of its proper divisors (5943).

6449077 is a wasteful number, since it uses less digits than its factorization.

6449077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6449077 is about 2539.5032978911. The cubic root of 6449077 is about 186.1369188801.

It can be divided in two parts, 64 and 49077, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 6449077 in words is "six million, four hundred forty-nine thousand, seventy-seven".