2764729 has 12 divisors (see below), whose sum is σ = 3090388. Its totient is φ = 2471040.

The previous prime is 2764711. The next prime is 2764739. The reversal of 2764729 is 9274672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 2205225 = 748^2 + 1485^2 .

It is not a de Polignac number, because 2764729 - 2¹⁵ = 2731961 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 7³ + 6⁴ + 4⁵ + 7⁴ + 2²¹ + 9⁶ .

It is a Duffinian number.

2764729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2764739) 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 11 ways as a sum of consecutive naturals, for example, 8677 + ... + 8989.

2^2764729 is an apocalyptic number.

It is an amenable number.

2764729 is a deficient number, since it is larger than the sum of its proper divisors (325659).

2764729 is a wasteful number, since it uses less digits than its factorization.

2764729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 397 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 2764729 is about 1662.7474251972. The cubic root of 2764729 is about 140.3516500046.

It can be divided in two parts, 276 and 4729, that added together give a palindrome (5005).

The spelling of 2764729 in words is "two million, seven hundred sixty-four thousand, seven hundred twenty-nine".