3725120 has 56 divisors (see below), whose sum is σ = 10143744. Its totient is φ = 1276416.

The previous prime is 3725119. The next prime is 3725147. The reversal of 3725120 is 215273.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3725092 and 3725101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409 + ... + 3071.

Almost surely, 2^3725120 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 3725120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5071872).

3725120 is an abundant number, since it is smaller than the sum of its proper divisors (6418624).

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

3725120 is a wasteful number, since it uses less digits than its factorization.

3725120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3725120 is about 1930.0569939771. The cubic root of 3725120 is about 155.0172717486.

The spelling of 3725120 in words is "three million, seven hundred twenty-five thousand, one hundred twenty".