2724405845 has 8 divisors (see below), whose sum is σ = 3736328064. Its totient is φ = 1868163984.

The previous prime is 2724405833. The next prime is 2724405863. The reversal of 2724405845 is 5485044272.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2724405845 - 2⁶ = 2724405781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38920049 + ... + 38920118.

It is an arithmetic number, because the mean of its divisors is an integer number (467041008).

Almost surely, 2^2724405845 is an apocalyptic number.

It is an amenable number.

2724405845 is a deficient number, since it is larger than the sum of its proper divisors (1011922219).

2724405845 is an equidigital number, since it uses as much as digits as its factorization.

2724405845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77840179.

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 2724405845 is about 52195.8412615411. The cubic root of 2724405845 is about 1396.6596973227.

The spelling of 2724405845 in words is "two billion, seven hundred twenty-four million, four hundred five thousand, eight hundred forty-five".