3705481 has 8 divisors (see below), whose sum is σ = 4019400. Its totient is φ = 3395712.

The previous prime is 3705469. The next prime is 3705491. The reversal of 3705481 is 1845073.

It can be written as a sum of positive squares in 4 ways, for example, as 129600 + 3575881 = 360^2 + 1891^2 .

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 3705481 - 2¹³ = 3697289 is a prime.

It is a super-2 number, since 2×3705481² = 27461178882722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3705421) 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, 981 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (502425).

Almost surely, 2^3705481 is an apocalyptic number.

It is an amenable number.

3705481 is a deficient number, since it is larger than the sum of its proper divisors (313919).

3705481 is a wasteful number, since it uses less digits than its factorization.

3705481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3705481 is about 1924.9625970392. The cubic root of 3705481 is about 154.7443722654.

It can be divided in two parts, 3705 and 481, that added together give a triangular number (4186 = T₉₁).

The spelling of 3705481 in words is "three million, seven hundred five thousand, four hundred eighty-one".