2705945 has 8 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 1967920.

The previous prime is 2705939. The next prime is 2705951. The reversal of 2705945 is 5495072.

It is an interprime number because it is at equal distance from previous prime (2705939) and next prime (2705951).

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

It is not a de Polignac number, because 2705945 - 2¹² = 2701849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24545 + ... + 24654.

It is an arithmetic number, because the mean of its divisors is an integer number (442800).

2^2705945 is an apocalyptic number.

It is an amenable number.

2705945 is a deficient number, since it is larger than the sum of its proper divisors (836455).

2705945 is a wasteful number, since it uses less digits than its factorization.

2705945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49215.

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

The square root of 2705945 is about 1644.9756837109. The cubic root of 2705945 is about 139.3497909993.

The spelling of 2705945 in words is "two million, seven hundred five thousand, nine hundred forty-five".