2724729 has 8 divisors (see below), whose sum is σ = 4152000. Its totient is φ = 1556976.

The previous prime is 2724727. The next prime is 2724739. The reversal of 2724729 is 9274272.

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

It is not a de Polignac number, because 2724729 - 2¹ = 2724727 is a prime.

2724729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2724729.

It is not an unprimeable number, because it can be changed into a prime (2724721) 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, 64854 + ... + 64895.

It is an arithmetic number, because the mean of its divisors is an integer number (519000).

2^2724729 is an apocalyptic number.

It is an amenable number.

2724729 is a deficient number, since it is larger than the sum of its proper divisors (1427271).

2724729 is a wasteful number, since it uses less digits than its factorization.

2724729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129759.

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

The square root of 2724729 is about 1650.6753163478. The cubic root of 2724729 is about 139.6714916668.

The spelling of 2724729 in words is "two million, seven hundred twenty-four thousand, seven hundred twenty-nine".