3720603 has 8 divisors (see below), whose sum is σ = 5252688. Its totient is φ = 2334464.

The previous prime is 3720583. The next prime is 3720617. The reversal of 3720603 is 3060273.

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 3720603 - 2⁵ = 3720571 is a prime.

3720603 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3720603.

It is not an unprimeable number, because it can be changed into a prime (3720623) 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, 36426 + ... + 36527.

It is an arithmetic number, because the mean of its divisors is an integer number (656586).

Almost surely, 2^3720603 is an apocalyptic number.

3720603 is a deficient number, since it is larger than the sum of its proper divisors (1532085).

3720603 is a wasteful number, since it uses less digits than its factorization.

3720603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72973.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 3720603 is about 1928.8864663323. The cubic root of 3720603 is about 154.9545895416.

Adding to 3720603 its reverse (3060273), we get a palindrome (6780876).

The spelling of 3720603 in words is "three million, seven hundred twenty thousand, six hundred three".