3721607 has 16 divisors (see below), whose sum is σ = 4105728. Its totient is φ = 3363360.

The previous prime is 3721603. The next prime is 3721621. The reversal of 3721607 is 7061273.

3721607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3721607 - 2² = 3721603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721603) 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 15 ways as a sum of consecutive naturals, for example, 52382 + ... + 52452.

It is an arithmetic number, because the mean of its divisors is an integer number (256608).

Almost surely, 2^3721607 is an apocalyptic number.

3721607 is a deficient number, since it is larger than the sum of its proper divisors (384121).

3721607 is a wasteful number, since it uses less digits than its factorization.

3721607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 3721607 is about 1929.1467025605. The cubic root of 3721607 is about 154.9685263879.

The spelling of 3721607 in words is "three million, seven hundred twenty-one thousand, six hundred seven".