2742666845 has 8 divisors (see below), whose sum is σ = 3291481440. Its totient is φ = 2193946000.

The previous prime is 2742666803. The next prime is 2742666863. The reversal of 2742666845 is 5486662472.

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

It is not a de Polignac number, because 2742666845 - 2⁶ = 2742666781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2742666793 and 2742666802.

It is a congruent number.

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, 100970 + ... + 125220.

It is an arithmetic number, because the mean of its divisors is an integer number (411435180).

Almost surely, 2^2742666845 is an apocalyptic number.

It is an amenable number.

2742666845 is a deficient number, since it is larger than the sum of its proper divisors (548814595).

2742666845 is a wasteful number, since it uses less digits than its factorization.

2742666845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46875.

The product of its digits is 3870720, while the sum is 50.

The square root of 2742666845 is about 52370.4768452608. The cubic root of 2742666845 is about 1399.7732362313.

The spelling of 2742666845 in words is "two billion, seven hundred forty-two million, six hundred sixty-six thousand, eight hundred forty-five".