2739247 has 6 divisors (see below), whose sum is σ = 3186528. Its totient is φ = 2347884.

The previous prime is 2739241. The next prime is 2739259. The reversal of 2739247 is 7429372.

2739247 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2739247 - 2³ = 2739239 is a prime.

It is a Duffinian number.

2739247 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27903 + ... + 28000.

It is an arithmetic number, because the mean of its divisors is an integer number (531088).

2^2739247 is an apocalyptic number.

2739247 is a deficient number, since it is larger than the sum of its proper divisors (447281).

2739247 is an equidigital number, since it uses as much as digits as its factorization.

2739247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55917 (or 55910 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 2739247 is about 1655.0670681275. The cubic root of 2739247 is about 139.9191199501.

The spelling of 2739247 in words is "two million, seven hundred thirty-nine thousand, two hundred forty-seven".