3723522 has 16 divisors (see below), whose sum is σ = 8124192. Its totient is φ = 1128320.

The previous prime is 3723521. The next prime is 3723529. The reversal of 3723522 is 2253273.

It is a d-powerful number, because it can be written as 3³ + 7 + 2² + 3¹³ + 5⁶ + 2¹⁴ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3723492 and 3723501.

It is not an unprimeable number, because it can be changed into a prime (3723521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28143 + ... + 28274.

It is an arithmetic number, because the mean of its divisors is an integer number (507762).

Almost surely, 2^3723522 is an apocalyptic number.

3723522 is an abundant number, since it is smaller than the sum of its proper divisors (4400670).

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

3723522 is a wasteful number, since it uses less digits than its factorization.

3723522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56433.

The product of its digits is 2520, while the sum is 24.

The square root of 3723522 is about 1929.6429721583. The cubic root of 3723522 is about 154.9951021692.

Adding to 3723522 its reverse (2253273), we get a palindrome (5976795).

It can be divided in two parts, 3723 and 522, that multiplied together give a triangular number (1943406 = T₁₉₇₁).

The spelling of 3723522 in words is "three million, seven hundred twenty-three thousand, five hundred twenty-two".