2725057905 has 8 divisors (see below), whose sum is σ = 4360092672. Its totient is φ = 1453364208.

The previous prime is 2725057901. The next prime is 2725057921. The reversal of 2725057905 is 5097505272.

It is a happy number.

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

It is not a de Polignac number, because 2725057905 - 2² = 2725057901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2725057901) 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, 90835249 + ... + 90835278.

It is an arithmetic number, because the mean of its divisors is an integer number (545011584).

Almost surely, 2^2725057905 is an apocalyptic number.

It is an amenable number.

2725057905 is a deficient number, since it is larger than the sum of its proper divisors (1635034767).

2725057905 is a wasteful number, since it uses less digits than its factorization.

2725057905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181670535.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 2725057905 is about 52202.0871709168. The cubic root of 2725057905 is about 1396.7711140655.

The spelling of 2725057905 in words is "two billion, seven hundred twenty-five million, fifty-seven thousand, nine hundred five".