3729565 has 32 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 2365440.

The previous prime is 3729547. The next prime is 3729569. The reversal of 3729565 is 5659273.

3729565 = 120² + 121² + ... + 234².

It is not a de Polignac number, because 3729565 - 2⁵ = 3729533 is a prime.

Its product of digits (56700) is a multiple of the sum of its prime divisors (189).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3729569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32949 + ... + 33061.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

Almost surely, 2^3729565 is an apocalyptic number.

3729565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3729565 is a deficient number, since it is larger than the sum of its proper divisors (1786211).

3729565 is a wasteful number, since it uses less digits than its factorization.

3729565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its digits is 56700, while the sum is 37.

The square root of 3729565 is about 1931.2081710680. The cubic root of 3729565 is about 155.0789053679.

The spelling of 3729565 in words is "three million, seven hundred twenty-nine thousand, five hundred sixty-five".