2740648 has 32 divisors (see below), whose sum is σ = 5448960. Its totient is φ = 1290240.

The previous prime is 2740643. The next prime is 2740649. The reversal of 2740648 is 8460472.

It is a super-3 number, since 3×2740648³ = 61756266678848933376, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2740643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10536 + ... + 10792.

It is an arithmetic number, because the mean of its divisors is an integer number (170280).

2^2740648 is an apocalyptic number.

It is an amenable number.

2740648 is a deficient number, since it is larger than the sum of its proper divisors (2708312).

2740648 is a wasteful number, since it uses less digits than its factorization.

2740648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2740648 is about 1655.4902597116. The cubic root of 2740648 is about 139.9429699688.

The spelling of 2740648 in words is "two million, seven hundred forty thousand, six hundred forty-eight".