3749871705 has 16 divisors (see below), whose sum is σ = 6001504704. Its totient is φ = 1999361600.

The previous prime is 3749871703. The next prime is 3749871731. The reversal of 3749871705 is 5071789473.

It is not a de Polignac number, because 3749871705 - 2¹ = 3749871703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3749871703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21742 + ... + 89288.

It is an arithmetic number, because the mean of its divisors is an integer number (375094044).

Almost surely, 2^3749871705 is an apocalyptic number.

It is an amenable number.

3749871705 is a deficient number, since it is larger than the sum of its proper divisors (2251632999).

3749871705 is a wasteful number, since it uses less digits than its factorization.

3749871705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71256.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The square root of 3749871705 is about 61236.1960363313. The cubic root of 3749871705 is about 1553.5985353351.

The spelling of 3749871705 in words is "three billion, seven hundred forty-nine million, eight hundred seventy-one thousand, seven hundred five".