3727429 has 8 divisors (see below), whose sum is σ = 3863808. Its totient is φ = 3593520.

The previous prime is 3727397. The next prime is 3727441. The reversal of 3727429 is 9247273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3727429 - 2⁵ = 3727397 is a prime.

It is a Duffinian number.

3727429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3727394 and 3727403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3727459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (482976).

Almost surely, 2^3727429 is an apocalyptic number.

It is an amenable number.

3727429 is a deficient number, since it is larger than the sum of its proper divisors (136379).

3727429 is a wasteful number, since it uses less digits than its factorization.

3727429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

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

The square root of 3727429 is about 1930.6550701770. The cubic root of 3727429 is about 155.0492940683.

The spelling of 3727429 in words is "three million, seven hundred twenty-seven thousand, four hundred twenty-nine".