3748739 has 2 divisors, whose sum is σ = 3748740. Its totient is φ = 3748738.

The previous prime is 3748733. The next prime is 3748741. The reversal of 3748739 is 9378473.

3748739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3748739 - 2²⁰ = 2700163 is a prime.

Together with 3748741, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁴ + 7⁷ + 4⁶ + 8⁷ + 7⁷ + 3⁵ + 9² .

It is a junction number, because it is equal to n+sod(n) for n = 3748696 and 3748705.

It is not a weakly prime, because it can be changed into another prime (3748733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874369 + 1874370.

It is an arithmetic number, because the mean of its divisors is an integer number (1874370).

Almost surely, 2^3748739 is an apocalyptic number.

3748739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748739 is an equidigital number, since it uses as much as digits as its factorization.

3748739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 3748739 is about 1936.1660569280. The cubic root of 3748739 is about 155.3442090334.

The spelling of 3748739 in words is "three million, seven hundred forty-eight thousand, seven hundred thirty-nine".