2706245 has 4 divisors (see below), whose sum is σ = 3247500. Its totient is φ = 2164992.

The previous prime is 2706241. The next prime is 2706257. The reversal of 2706245 is 5426072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2067844 + 638401 = 1438^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706245 - 2² = 2706241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270620 + ... + 270629.

It is an arithmetic number, because the mean of its divisors is an integer number (811875).

2^2706245 is an apocalyptic number.

It is an amenable number.

2706245 is a deficient number, since it is larger than the sum of its proper divisors (541255).

2706245 is an equidigital number, since it uses as much as digits as its factorization.

2706245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541254.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2706245 is about 1645.0668679418. The cubic root of 2706245 is about 139.3549405733.

The spelling of 2706245 in words is "two million, seven hundred six thousand, two hundred forty-five".