2745480305 has 8 divisors (see below), whose sum is σ = 3310191744. Its totient is φ = 2185974000.

The previous prime is 2745480299. The next prime is 2745480319. The reversal of 2745480305 is 5030845472.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2745480305 is a prime.

It is a Duffinian 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, 1300121 + ... + 1302230.

It is an arithmetic number, because the mean of its divisors is an integer number (413773968).

Almost surely, 2^2745480305 is an apocalyptic number.

It is an amenable number.

2745480305 is a deficient number, since it is larger than the sum of its proper divisors (564711439).

2745480305 is a wasteful number, since it uses less digits than its factorization.

2745480305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602567.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 2745480305 is about 52397.3310866117. The cubic root of 2745480305 is about 1400.2517072936.

The spelling of 2745480305 in words is "two billion, seven hundred forty-five million, four hundred eighty thousand, three hundred five".