3722605 has 8 divisors (see below), whose sum is σ = 4543200. Its totient is φ = 2927376.

The previous prime is 3722599. The next prime is 3722611. The reversal of 3722605 is 5062273.

It is an interprime number because it is at equal distance from previous prime (3722599) and next prime (3722611).

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 3722605 - 2²¹ = 1625453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3722605.

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 7 ways as a sum of consecutive naturals, for example, 6015 + ... + 6604.

It is an arithmetic number, because the mean of its divisors is an integer number (567900).

Almost surely, 2^3722605 is an apocalyptic number.

It is an amenable number.

3722605 is a deficient number, since it is larger than the sum of its proper divisors (820595).

3722605 is a wasteful number, since it uses less digits than its factorization.

3722605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12683.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3722605 is about 1929.4053488057. The cubic root of 3722605 is about 154.9823774623.

Adding to 3722605 its reverse (5062273), we get a palindrome (8784878).

The spelling of 3722605 in words is "three million, seven hundred twenty-two thousand, six hundred five".