6461764 has 27 divisors (see below), whose sum is σ = 11976573. Its totient is φ = 3050400.

The previous prime is 6461761. The next prime is 6461773. The reversal of 6461764 is 4671646.

It is a happy number.

The square root of 6461764 is 2542.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 6150400 = 558^2 + 2480^2 .

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6461761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 157584 + ... + 157624.

Almost surely, 2^6461764 is an apocalyptic number.

6461764 is the 2542-nd square number.

It is an amenable number.

6461764 is a deficient number, since it is larger than the sum of its proper divisors (5514809).

6461764 is a wasteful number, since it uses less digits than its factorization.

6461764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 74 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The cubic root of 6461764 is about 186.2588987235.

It can be divided in two parts, 6461 and 764, that added together give a square (7225 = 85²).

The spelling of 6461764 in words is "six million, four hundred sixty-one thousand, seven hundred sixty-four".