3732689 has 4 divisors (see below), whose sum is σ = 3738480. Its totient is φ = 3726900.

The previous prime is 3732661. The next prime is 3732691. The reversal of 3732689 is 9862373.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9862373 = 73 ⋅135101.

It is a cyclic number.

It is not a de Polignac number, because 3732689 - 2⁸ = 3732433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3732629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (934620).

Almost surely, 2^3732689 is an apocalyptic number.

It is an amenable number.

3732689 is a deficient number, since it is larger than the sum of its proper divisors (5791).

3732689 is an equidigital number, since it uses as much as digits as its factorization.

3732689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790.

The product of its digits is 54432, while the sum is 38.

The square root of 3732689 is about 1932.0168218729. The cubic root of 3732689 is about 155.1221929269.

The spelling of 3732689 in words is "three million, seven hundred thirty-two thousand, six hundred eighty-nine".