3613572 has 60 divisors (see below), whose sum is σ = 9960720. Its totient is φ = 1139184.

The previous prime is 3613559. The next prime is 3613601. The reversal of 3613572 is 2753163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5863 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (166012).

Almost surely, 2^3613572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3613572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4980360).

3613572 is an abundant number, since it is smaller than the sum of its proper divisors (6347148).

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

3613572 is a wasteful number, since it uses less digits than its factorization.

3613572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 611 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 3613572 is about 1900.9397675887. The cubic root of 3613572 is about 153.4542440555.

The spelling of 3613572 in words is "three million, six hundred thirteen thousand, five hundred seventy-two".