2740620 has 24 divisors (see below), whose sum is σ = 7673904. Its totient is φ = 730816.

The previous prime is 2740607. The next prime is 2740631. The reversal of 2740620 is 260472.

2740620 = 242² + 243² + ... + 281².

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22779 + ... + 22898.

It is an arithmetic number, because the mean of its divisors is an integer number (319746).

2^2740620 is an apocalyptic number.

2740620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2740620 is an abundant number, since it is smaller than the sum of its proper divisors (4933284).

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

2740620 is a wasteful number, since it uses less digits than its factorization.

2740620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45689 (or 45687 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2740620 is about 1655.4818029806. The cubic root of 2740620 is about 139.9424933885.

The spelling of 2740620 in words is "two million, seven hundred forty thousand, six hundred twenty".