2912739 has 8 divisors (see below), whose sum is σ = 3922512. Its totient is φ = 1922400.

The previous prime is 2912717. The next prime is 2912753. The reversal of 2912739 is 9372192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2912739 - 2⁹ = 2912227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2912759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (490314).

2^2912739 is an apocalyptic number.

2912739 is a deficient number, since it is larger than the sum of its proper divisors (1009773).

2912739 is a wasteful number, since it uses less digits than its factorization.

2912739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717.

The product of its digits is 6804, while the sum is 33.

The square root of 2912739 is about 1706.6748372200. The cubic root of 2912739 is about 142.8128184870.

The spelling of 2912739 in words is "two million, nine hundred twelve thousand, seven hundred thirty-nine".