2127740 has 24 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 845120.

The previous prime is 2127739. The next prime is 2127751. The reversal of 2127740 is 477212.

It is a plaindrome in base 11.

It is a congruent 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, 3542 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

2^2127740 is an apocalyptic number.

2127740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127740 is an abundant number, since it is smaller than the sum of its proper divisors (2371972).

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

2127740 is a wasteful number, since it uses less digits than its factorization.

2127740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2127740 is about 1458.6774832018. The cubic root of 2127740 is about 128.6193131456.

The spelling of 2127740 in words is "two million, one hundred twenty-seven thousand, seven hundred forty".