2730746 has 4 divisors (see below), whose sum is σ = 4096122. Its totient is φ = 1365372.

The previous prime is 2730743. The next prime is 2730751. The reversal of 2730746 is 6470372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 1079521 = 1285^2 + 1039^2 .

It is not an unprimeable number, because it can be changed into a prime (2730743) 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 as a sum of consecutive naturals, namely, 682685 + ... + 682688.

2^2730746 is an apocalyptic number.

2730746 is a deficient number, since it is larger than the sum of its proper divisors (1365376).

2730746 is a wasteful number, since it uses less digits than its factorization.

2730746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365375.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 2730746 is about 1652.4968986355. The cubic root of 2730746 is about 139.7742279394.

The spelling of 2730746 in words is "two million, seven hundred thirty thousand, seven hundred forty-six".