2742746 has 8 divisors (see below), whose sum is σ = 4356180. Its totient is φ = 1290688.

The previous prime is 2742739. The next prime is 2742749. The reversal of 2742746 is 6472472.

2742746 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 2739025 + 3721 = 1655^2 + 61^2 .

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

It is a super-3 number, since 3×2742746³ = 61898200837643330808, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁴ + 4² + 2²¹ + 7⁶ + 4⁵ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742749) 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 3 ways as a sum of consecutive naturals, for example, 40301 + ... + 40368.

2^2742746 is an apocalyptic number.

2742746 is a deficient number, since it is larger than the sum of its proper divisors (1613434).

2742746 is a wasteful number, since it uses less digits than its factorization.

2742746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80688.

The product of its digits is 18816, while the sum is 32.

The square root of 2742746 is about 1656.1237876439. The cubic root of 2742746 is about 139.9786702198.

The spelling of 2742746 in words is "two million, seven hundred forty-two thousand, seven hundred forty-six".