2730722 has 4 divisors (see below), whose sum is σ = 4096086. Its totient is φ = 1365360.

The previous prime is 2730713. The next prime is 2730743. The reversal of 2730722 is 2270372.

2730722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2621161 + 109561 = 1619^2 + 331^2 .

It is an Ulam 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, 682679 + ... + 682682.

2^2730722 is an apocalyptic number.

2730722 is a deficient number, since it is larger than the sum of its proper divisors (1365364).

2730722 is a wasteful number, since it uses less digits than its factorization.

2730722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365363.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 2730722 is about 1652.4896368813. The cubic root of 2730722 is about 139.7738184553.

The spelling of 2730722 in words is "two million, seven hundred thirty thousand, seven hundred twenty-two".