3704947 has 2 divisors, whose sum is σ = 3704948. Its totient is φ = 3704946.

The previous prime is 3704941. The next prime is 3704951. The reversal of 3704947 is 7494073.

It is a strong prime.

It is an emirp because it is prime and its reverse (7494073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3704947 - 2⁷ = 3704819 is a prime.

It is not a weakly prime, because it can be changed into another prime (3704941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1852473 + 1852474.

It is an arithmetic number, because the mean of its divisors is an integer number (1852474).

Almost surely, 2^3704947 is an apocalyptic number.

3704947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3704947 is an equidigital number, since it uses as much as digits as its factorization.

3704947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 3704947 is about 1924.8238880479. The cubic root of 3704947 is about 154.7369384608.

The spelling of 3704947 in words is "three million, seven hundred four thousand, nine hundred forty-seven".