2748157705 has 8 divisors (see below), whose sum is σ = 3298119552. Its totient is φ = 2198305968.

The previous prime is 2748157703. The next prime is 2748157723. The reversal of 2748157705 is 5077518472.

2748157705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2748157705 - 2¹ = 2748157703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748157703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44542 + ... + 86488.

It is an arithmetic number, because the mean of its divisors is an integer number (412264944).

Almost surely, 2^2748157705 is an apocalyptic number.

It is an amenable number.

2748157705 is a deficient number, since it is larger than the sum of its proper divisors (549961847).

2748157705 is a wasteful number, since it uses less digits than its factorization.

2748157705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55055.

The product of its (nonzero) digits is 548800, while the sum is 46.

The square root of 2748157705 is about 52422.8738720036. The cubic root of 2748157705 is about 1400.7067358588.

The spelling of 2748157705 in words is "two billion, seven hundred forty-eight million, one hundred fifty-seven thousand, seven hundred five".