3728137 has 8 divisors (see below), whose sum is σ = 4331072. Its totient is φ = 3142800.

The previous prime is 3728113. The next prime is 3728141. The reversal of 3728137 is 7318273.

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 3728137 - 2¹¹ = 3726089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3728099 and 3728108.

It is not an unprimeable number, because it can be changed into a prime (3728177) 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, 3939 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (541384).

Almost surely, 2^3728137 is an apocalyptic number.

It is an amenable number.

3728137 is a deficient number, since it is larger than the sum of its proper divisors (602935).

3728137 is an equidigital number, since it uses as much as digits as its factorization.

3728137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its digits is 7056, while the sum is 31.

The square root of 3728137 is about 1930.8384189258. The cubic root of 3728137 is about 155.0591103027.

The spelling of 3728137 in words is "three million, seven hundred twenty-eight thousand, one hundred thirty-seven".