2749740 has 48 divisors (see below), whose sum is σ = 8800512. Its totient is φ = 628416.

The previous prime is 2749723. The next prime is 2749763. The reversal of 2749740 is 479472.

It is a super-2 number, since 2×2749740² = 15122140135200, which contains 22 as substring.

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, 2854 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (183344).

2^2749740 is an apocalyptic number.

2749740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749740 is an abundant number, since it is smaller than the sum of its proper divisors (6050772).

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

2749740 is a wasteful number, since it uses less digits than its factorization.

2749740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2749740 is about 1658.2340003751. The cubic root of 2749740 is about 140.0975510589.

The spelling of 2749740 in words is "two million, seven hundred forty-nine thousand, seven hundred forty".