2273642678 has 8 divisors (see below), whose sum is σ = 3410670240. Its totient is φ = 1136752600.

The previous prime is 2273642653. The next prime is 2273642689. The reversal of 2273642678 is 8762463722.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34883 + ... + 75921.

It is an arithmetic number, because the mean of its divisors is an integer number (426333780).

Almost surely, 2^2273642678 is an apocalyptic number.

2273642678 is a deficient number, since it is larger than the sum of its proper divisors (1137027562).

2273642678 is a wasteful number, since it uses less digits than its factorization.

2273642678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68742.

The product of its digits is 1354752, while the sum is 47.

The square root of 2273642678 is about 47682.7293472175. The cubic root of 2273642678 is about 1314.9444434788.

The spelling of 2273642678 in words is "two billion, two hundred seventy-three million, six hundred forty-two thousand, six hundred seventy-eight".