2671745378 has 8 divisors (see below), whose sum is σ = 4034159040. Its totient is φ = 1327025700.

The previous prime is 2671745357. The next prime is 2671745387. The reversal of 2671745378 is 8735471762.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4423118 + ... + 4423721.

It is an arithmetic number, because the mean of its divisors is an integer number (504269880).

Almost surely, 2^2671745378 is an apocalyptic number.

2671745378 is a deficient number, since it is larger than the sum of its proper divisors (1362413662).

2671745378 is a wasteful number, since it uses less digits than its factorization.

2671745378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846992.

The product of its digits is 1975680, while the sum is 50.

The square root of 2671745378 is about 51688.9289693644. The cubic root of 2671745378 is about 1387.6023358548.

The spelling of 2671745378 in words is "two billion, six hundred seventy-one million, seven hundred forty-five thousand, three hundred seventy-eight".