2751140 has 48 divisors (see below), whose sum is σ = 6771072. Its totient is φ = 919296.

The previous prime is 2751137. The next prime is 2751163. The reversal of 2751140 is 411572.

2751140 = T₃₃₆ + T₃₃₇ + ... + T₃₇₈.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5792 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (141064).

2^2751140 is an apocalyptic number.

2751140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2751140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3385536).

2751140 is an abundant number, since it is smaller than the sum of its proper divisors (4019932).

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

2751140 is a wasteful number, since it uses less digits than its factorization.

2751140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2751140 is about 1658.6560824957. The cubic root of 2751140 is about 140.1213234027.

The spelling of 2751140 in words is "two million, seven hundred fifty-one thousand, one hundred forty".