2705642146 has 8 divisors (see below), whose sum is σ = 4100303340. Its totient is φ = 1338874368.

The previous prime is 2705642083. The next prime is 2705642153. The reversal of 2705642146 is 6412465072.

It can be written as a sum of positive squares in 2 ways, for example, as 2446786225 + 258855921 = 49465^2 + 16089^2 .

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

It is a super-2 number, since 2×2705642146² = 14640998844422970632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6973111 + ... + 6973498.

Almost surely, 2^2705642146 is an apocalyptic number.

2705642146 is a deficient number, since it is larger than the sum of its proper divisors (1394661194).

2705642146 is a wasteful number, since it uses less digits than its factorization.

2705642146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946708.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2705642146 is about 52015.7874688060. The cubic root of 2705642146 is about 1393.4459204953.

The spelling of 2705642146 in words is "two billion, seven hundred five million, six hundred forty-two thousand, one hundred forty-six".