3726739 has 2 divisors, whose sum is σ = 3726740. Its totient is φ = 3726738.

The previous prime is 3726733. The next prime is 3726743. The reversal of 3726739 is 9376273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3726739 - 2³ = 3726731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3726698 and 3726707.

It is not a weakly prime, because it can be changed into another prime (3726731) 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 as a sum of consecutive naturals, namely, 1863369 + 1863370.

It is an arithmetic number, because the mean of its divisors is an integer number (1863370).

Almost surely, 2^3726739 is an apocalyptic number.

3726739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3726739 is an equidigital number, since it uses as much as digits as its factorization.

3726739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 37.

The square root of 3726739 is about 1930.4763660817. The cubic root of 3726739 is about 155.0397262031.

It can be divided in two parts, 3726 and 739, that added together give a triangular number (4465 = T₉₄).

The spelling of 3726739 in words is "three million, seven hundred twenty-six thousand, seven hundred thirty-nine".