2730351 has 8 divisors (see below), whose sum is σ = 3920560. Its totient is φ = 1680192.

The previous prime is 2730347. The next prime is 2730383. The reversal of 2730351 is 1530372.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2730351 - 2² = 2730347 is a prime.

It is an Ulam number.

It is a Duffinian number.

2730351 is a modest number, since divided by 351 gives 273 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730751) 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 7 ways as a sum of consecutive naturals, for example, 34966 + ... + 35043.

It is an arithmetic number, because the mean of its divisors is an integer number (490070).

2^2730351 is an apocalyptic number.

2730351 is a deficient number, since it is larger than the sum of its proper divisors (1190209).

2730351 is a wasteful number, since it uses less digits than its factorization.

2730351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70025.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2730351 is about 1652.3773782039. The cubic root of 2730351 is about 139.7674882082.

Adding to 2730351 its sum of digits (21), we get a palindrome (2730372).

It can be divided in two parts, 2730 and 351, that added together give a triangular number (3081 = T₇₈).

The spelling of 2730351 in words is "two million, seven hundred thirty thousand, three hundred fifty-one".