3705726 has 16 divisors (see below), whose sum is σ = 7430400. Its totient is φ = 1232088.

The previous prime is 3705719. The next prime is 3705739. The reversal of 3705726 is 6275073.

It is a d-powerful number, because it can be written as 3¹² + 7⁶ + 0 + 5⁹ + 7⁷ + 2⁵ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3705693 and 3705702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3885 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (464400).

Almost surely, 2^3705726 is an apocalyptic number.

3705726 is an abundant number, since it is smaller than the sum of its proper divisors (3724674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3705726 is a wasteful number, since it uses less digits than its factorization.

3705726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 3705726 is about 1925.0262335875. The cubic root of 3705726 is about 154.7477826671.

The spelling of 3705726 in words is "three million, seven hundred five thousand, seven hundred twenty-six".