2305772973 has 20 divisors (see below), whose sum is σ = 3936488160. Its totient is φ = 1317584232.

The previous prime is 2305772941. The next prime is 2305773007. The reversal of 2305772973 is 3792775032.

2305772973 is a `hidden beast` number, since 2 + 3 + 0 + 577 + 2 + 9 + 73 = 666.

It is not a de Polignac number, because 2305772973 - 2⁵ = 2305772941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305773973) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2032743 + ... + 2033876.

It is an arithmetic number, because the mean of its divisors is an integer number (196824408).

Almost surely, 2^2305772973 is an apocalyptic number.

It is an amenable number.

2305772973 is a deficient number, since it is larger than the sum of its proper divisors (1630715187).

2305772973 is an equidigital number, since it uses as much as digits as its factorization.

2305772973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066638 (or 4066629 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The square root of 2305772973 is about 48018.4649171545. The cubic root of 2305772973 is about 1321.1095990286.

The spelling of 2305772973 in words is "two billion, three hundred five million, seven hundred seventy-two thousand, nine hundred seventy-three".