3537729 has 16 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 2176848.

The previous prime is 3537719. The next prime is 3537731. The reversal of 3537729 is 9277353.

It is a happy number.

It is not a de Polignac number, because 3537729 - 2⁴ = 3537713 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3537693 and 3537702.

It is not an unprimeable number, because it can be changed into a prime (3537719) 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 15 ways as a sum of consecutive naturals, for example, 4689 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^3537729 is an apocalyptic number.

3537729 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3537729 is a deficient number, since it is larger than the sum of its proper divisors (2107071).

3537729 is a wasteful number, since it uses less digits than its factorization.

3537729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101 (or 10095 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 3537729 is about 1880.8851639587. The cubic root of 3537729 is about 152.3730592839.

The spelling of 3537729 in words is "three million, five hundred thirty-seven thousand, seven hundred twenty-nine".