3728073 has 8 divisors (see below), whose sum is σ = 5064768. Its totient is φ = 2438384.

The previous prime is 3728069. The next prime is 3728099. The reversal of 3728073 is 3708273.

3728073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3728073 - 2² = 3728069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3728073.

It is not an unprimeable number, because it can be changed into a prime (3728063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11565 + ... + 11882.

It is an arithmetic number, because the mean of its divisors is an integer number (633096).

Almost surely, 2^3728073 is an apocalyptic number.

It is an amenable number.

3728073 is a deficient number, since it is larger than the sum of its proper divisors (1336695).

3728073 is a wasteful number, since it uses less digits than its factorization.

3728073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23503.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 3728073 is about 1930.8218457434. The cubic root of 3728073 is about 155.0582230106.

The spelling of 3728073 in words is "three million, seven hundred twenty-eight thousand, seventy-three".