2506730705 has 8 divisors (see below), whose sum is σ = 3166396800. Its totient is φ = 1899837936.

The previous prime is 2506730701. The next prime is 2506730731. The reversal of 2506730705 is 5070376052.

2506730705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2506730705 - 2² = 2506730701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506730701) 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, 13193225 + ... + 13193414.

It is an arithmetic number, because the mean of its divisors is an integer number (395799600).

Almost surely, 2^2506730705 is an apocalyptic number.

It is an amenable number.

2506730705 is a deficient number, since it is larger than the sum of its proper divisors (659666095).

2506730705 is a wasteful number, since it uses less digits than its factorization.

2506730705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26386663.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 2506730705 is about 50067.2618084912. The cubic root of 2506730705 is about 1358.4257131479.

The spelling of 2506730705 in words is "two billion, five hundred six million, seven hundred thirty thousand, seven hundred five".