3720693 has 4 divisors (see below), whose sum is σ = 4960928. Its totient is φ = 2480460.

The previous prime is 3720677. The next prime is 3720697. The reversal of 3720693 is 3960273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3960273 = 3 ⋅1320091.

It is not a de Polignac number, because 3720693 - 2⁴ = 3720677 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3720693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720697) by changing a digit.

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, 620113 + ... + 620118.

It is an arithmetic number, because the mean of its divisors is an integer number (1240232).

Almost surely, 2^3720693 is an apocalyptic number.

It is an amenable number.

3720693 is a deficient number, since it is larger than the sum of its proper divisors (1240235).

3720693 is a wasteful number, since it uses less digits than its factorization.

3720693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240234.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 3720693 is about 1928.9097957136. The cubic root of 3720693 is about 154.9558389628.

The spelling of 3720693 in words is "three million, seven hundred twenty thousand, six hundred ninety-three".