2740374 has 72 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 719712.

The previous prime is 2740357. The next prime is 2740379. The reversal of 2740374 is 4730472.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740379) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11347 + ... + 11585.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

2^2740374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734640).

2740374 is an abundant number, since it is smaller than the sum of its proper divisors (4728906).

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

2740374 is a wasteful number, since it uses less digits than its factorization.

2740374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 2740374 is about 1655.4075027014. The cubic root of 2740374 is about 139.9383061507.

It can be divided in two parts, 27 and 40374, that added together give a square (40401 = 201²).

The spelling of 2740374 in words is "two million, seven hundred forty thousand, three hundred seventy-four".