3706739 has 4 divisors (see below), whose sum is σ = 3739656. Its totient is φ = 3673824.

The previous prime is 3706733. The next prime is 3706741. The reversal of 3706739 is 9376073.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3706739 - 2⁴ = 3706723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3706699 and 3706708.

It is not an unprimeable number, because it can be changed into a prime (3706733) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16289 + ... + 16514.

It is an arithmetic number, because the mean of its divisors is an integer number (934914).

Almost surely, 2^3706739 is an apocalyptic number.

3706739 is a deficient number, since it is larger than the sum of its proper divisors (32917).

3706739 is a wasteful number, since it uses less digits than its factorization.

3706739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32916.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 3706739 is about 1925.2893289062. The cubic root of 3706739 is about 154.7618820385.

The spelling of 3706739 in words is "three million, seven hundred six thousand, seven hundred thirty-nine".