3721067 has 4 divisors (see below), whose sum is σ = 4252656. Its totient is φ = 3189480.

The previous prime is 3721063. The next prime is 3721087. The reversal of 3721067 is 7601273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7601273 = 19 ⋅400067.

It is not a de Polignac number, because 3721067 - 2² = 3721063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3721063) 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, 265784 + ... + 265797.

It is an arithmetic number, because the mean of its divisors is an integer number (1063164).

Almost surely, 2^3721067 is an apocalyptic number.

3721067 is a deficient number, since it is larger than the sum of its proper divisors (531589).

3721067 is an equidigital number, since it uses as much as digits as its factorization.

3721067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531588.

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

The square root of 3721067 is about 1929.0067392314. The cubic root of 3721067 is about 154.9610307861.

Subtracting from 3721067 its sum of digits (26), we obtain a square (3721041 = 1929²).

The spelling of 3721067 in words is "three million, seven hundred twenty-one thousand, sixty-seven".