2765730 has 96 divisors (see below), whose sum is σ = 7957440. Its totient is φ = 609280.

The previous prime is 2765689. The next prime is 2765731. The reversal of 2765730 is 375672.

2765730 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2765731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95356 + ... + 95384.

It is an arithmetic number, because the mean of its divisors is an integer number (82890).

2^2765730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2765730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3978720).

2765730 is an abundant number, since it is smaller than the sum of its proper divisors (5191710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765730 is a wasteful number, since it uses less digits than its factorization.

2765730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 2765730 is about 1663.0484057898. The cubic root of 2765730 is about 140.3685865711.

It can be divided in two parts, 276 and 5730, that added together give a palindrome (6006).

The spelling of 2765730 in words is "two million, seven hundred sixty-five thousand, seven hundred thirty".