3721079 has 4 divisors (see below), whose sum is σ = 3939984. Its totient is φ = 3502176.

The previous prime is 3721063. The next prime is 3721087. The reversal of 3721079 is 9701273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9701273 = 43 ⋅225611.

It is a cyclic number.

It is not a de Polignac number, because 3721079 - 2⁴ = 3721063 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 (3721049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109427 + ... + 109460.

It is an arithmetic number, because the mean of its divisors is an integer number (984996).

Almost surely, 2^3721079 is an apocalyptic number.

3721079 is a deficient number, since it is larger than the sum of its proper divisors (218905).

3721079 is a wasteful number, since it uses less digits than its factorization.

3721079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218904.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 3721079 is about 1929.0098496379. The cubic root of 3721079 is about 154.9611973629.

The spelling of 3721079 in words is "three million, seven hundred twenty-one thousand, seventy-nine".