3725172 has 72 divisors (see below), whose sum is σ = 10745280. Its totient is φ = 1077120.

The previous prime is 3725153. The next prime is 3725179. The reversal of 3725172 is 2715273.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725179) 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 23 ways as a sum of consecutive naturals, for example, 8904 + ... + 9312.

It is an arithmetic number, because the mean of its divisors is an integer number (149240).

Almost surely, 2^3725172 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 3725172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5372640).

3725172 is an abundant number, since it is smaller than the sum of its proper divisors (7020108).

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

3725172 is a wasteful number, since it uses less digits than its factorization.

3725172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 448 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 3725172 is about 1930.0704650349. The cubic root of 3725172 is about 155.0179930552.

The spelling of 3725172 in words is "three million, seven hundred twenty-five thousand, one hundred seventy-two".