2745744 has 20 divisors (see below), whose sum is σ = 7093296. Its totient is φ = 915232.

The previous prime is 2745737. The next prime is 2745761. The reversal of 2745744 is 4475472.

It is a super-2 number, since 2×2745744² = 15078220227072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28554 + ... + 28649.

2^2745744 is an apocalyptic number.

2745744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2745744 is an abundant number, since it is smaller than the sum of its proper divisors (4347552).

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

2745744 is a wasteful number, since it uses less digits than its factorization.

2745744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57214 (or 57208 counting only the distinct ones).

The product of its digits is 31360, while the sum is 33.

The square root of 2745744 is about 1657.0286660164. The cubic root of 2745744 is about 140.0296535825.

The spelling of 2745744 in words is "two million, seven hundred forty-five thousand, seven hundred forty-four".