2730664 has 8 divisors (see below), whose sum is σ = 5120010. Its totient is φ = 1365328.

The previous prime is 2730649. The next prime is 2730671. The reversal of 2730664 is 4660372.

It can be written as a sum of positive squares in only one way, i.e., 1542564 + 1188100 = 1242^2 + 1090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2⁵ + 7⁴ + 3 + 0 + 6² + 6⁸ + 4¹⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170659 + ... + 170674.

2^2730664 is an apocalyptic number.

It is an amenable number.

2730664 is a deficient number, since it is larger than the sum of its proper divisors (2389346).

2730664 is a wasteful number, since it uses less digits than its factorization.

2730664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341339 (or 341335 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 2730664 is about 1652.4720875101. The cubic root of 2730664 is about 139.7728288588.

The spelling of 2730664 in words is "two million, seven hundred thirty thousand, six hundred sixty-four".