3729018 has 16 divisors (see below), whose sum is σ = 7896960. Its totient is φ = 1169856.

The previous prime is 3729017. The next prime is 3729031. The reversal of 3729018 is 8109273.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3729017) 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 in 7 ways as a sum of consecutive naturals, for example, 18178 + ... + 18381.

It is an arithmetic number, because the mean of its divisors is an integer number (493560).

Almost surely, 2^3729018 is an apocalyptic number.

3729018 is an abundant number, since it is smaller than the sum of its proper divisors (4167942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3729018 is a wasteful number, since it uses less digits than its factorization.

3729018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36581.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3729018 is about 1931.0665446846. The cubic root of 3729018 is about 155.0713234016.

The spelling of 3729018 in words is "three million, seven hundred twenty-nine thousand, eighteen".