3728734 has 8 divisors (see below), whose sum is σ = 5603040. Its totient is φ = 1861056.

The previous prime is 3728719. The next prime is 3728743. The reversal of 3728734 is 4378273.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 3 + 7² + 2²¹ + 8⁵ + 7³ + 3¹³ + 4⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 3728734.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 142 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (700380).

Almost surely, 2^3728734 is an apocalyptic number.

3728734 is a deficient number, since it is larger than the sum of its proper divisors (1874306).

3728734 is a wasteful number, since it uses less digits than its factorization.

3728734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314.

The product of its digits is 28224, while the sum is 34.

The square root of 3728734 is about 1930.9930087911. The cubic root of 3728734 is about 155.0673865855.

The spelling of 3728734 in words is "three million, seven hundred twenty-eight thousand, seven hundred thirty-four".