2749724 has 6 divisors (see below), whose sum is σ = 4812024. Its totient is φ = 1374860.

The previous prime is 2749723. The next prime is 2749763. The reversal of 2749724 is 4279472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343712 + ... + 343719.

It is an arithmetic number, because the mean of its divisors is an integer number (802004).

2^2749724 is an apocalyptic number.

It is an amenable number.

2749724 is a deficient number, since it is larger than the sum of its proper divisors (2062300).

2749724 is a wasteful number, since it uses less digits than its factorization.

2749724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687435 (or 687433 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 2749724 is about 1658.2291759585. The cubic root of 2749724 is about 140.0972793283.

The spelling of 2749724 in words is "two million, seven hundred forty-nine thousand, seven hundred twenty-four".