3722718 has 32 divisors (see below), whose sum is σ = 7852320. Its totient is φ = 1175040.

The previous prime is 3722713. The next prime is 3722767. The reversal of 3722718 is 8172273.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8898 + ... + 9306.

It is an arithmetic number, because the mean of its divisors is an integer number (245385).

Almost surely, 2^3722718 is an apocalyptic number.

3722718 is an abundant number, since it is smaller than the sum of its proper divisors (4129602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3722718 is a wasteful number, since it uses less digits than its factorization.

3722718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 4704, while the sum is 30.

The square root of 3722718 is about 1929.4346322174. The cubic root of 3722718 is about 154.9839456143.

The spelling of 3722718 in words is "three million, seven hundred twenty-two thousand, seven hundred eighteen".