2972305 has 16 divisors (see below), whose sum is σ = 4109184. Its totient is φ = 2021760.

The previous prime is 2972287. The next prime is 2972309. The reversal of 2972305 is 5032792.

2972305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2972305 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (256824).

2^2972305 is an apocalyptic number.

It is an amenable number.

2972305 is a deficient number, since it is larger than the sum of its proper divisors (1136879).

2972305 is a wasteful number, since it uses less digits than its factorization.

2972305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2972305 is about 1724.0374125871. The cubic root of 2972305 is about 143.7797720314.

The spelling of 2972305 in words is "two million, nine hundred seventy-two thousand, three hundred five".