3729569 has 2 divisors, whose sum is σ = 3729570. Its totient is φ = 3729568.

The previous prime is 3729547. The next prime is 3729571. The reversal of 3729569 is 9659273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2845969 + 883600 = 1687^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 3729569 - 2¹² = 3725473 is a prime.

It is a super-2 number, since 2×3729569² = 27819369851522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3729571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3729589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864784 + 1864785.

It is an arithmetic number, because the mean of its divisors is an integer number (1864785).

Almost surely, 2^3729569 is an apocalyptic number.

It is an amenable number.

3729569 is a deficient number, since it is larger than the sum of its proper divisors (1).

3729569 is an equidigital number, since it uses as much as digits as its factorization.

3729569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 3729569 is about 1931.2092066889. The cubic root of 3729569 is about 155.0789608092.

The spelling of 3729569 in words is "three million, seven hundred twenty-nine thousand, five hundred sixty-nine".