2748734 has 4 divisors (see below), whose sum is σ = 4123104. Its totient is φ = 1374366.

The previous prime is 2748731. The next prime is 2748769. The reversal of 2748734 is 4378472.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2748694 and 2748703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748731) 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 as a sum of consecutive naturals, namely, 687182 + ... + 687185.

It is an arithmetic number, because the mean of its divisors is an integer number (1030776).

2^2748734 is an apocalyptic number.

2748734 is a deficient number, since it is larger than the sum of its proper divisors (1374370).

2748734 is a wasteful number, since it uses less digits than its factorization.

2748734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374369.

The product of its digits is 37632, while the sum is 35.

The square root of 2748734 is about 1657.9306378736. The cubic root of 2748734 is about 140.0804639492.

The spelling of 2748734 in words is "two million, seven hundred forty-eight thousand, seven hundred thirty-four".