2945705 has 8 divisors (see below), whose sum is σ = 4039872. Its totient is φ = 2019888.

The previous prime is 2945669. The next prime is 2945707. The reversal of 2945705 is 5075492.

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 2945705 - 2¹⁰ = 2944681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945707) 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, 42047 + ... + 42116.

It is an arithmetic number, because the mean of its divisors is an integer number (504984).

2^2945705 is an apocalyptic number.

It is an amenable number.

2945705 is a deficient number, since it is larger than the sum of its proper divisors (1094167).

2945705 is an equidigital number, since it uses as much as digits as its factorization.

2945705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2945705 is about 1716.3056254642. The cubic root of 2945705 is about 143.3495775112.

The spelling of 2945705 in words is "two million, nine hundred forty-five thousand, seven hundred five".