3725800 has 48 divisors (see below), whose sum is σ = 9335340. Its totient is φ = 1374720.

The previous prime is 3725783. The next prime is 3725809. The reversal of 3725800 is 85273.

It can be written as a sum of positive squares in 6 ways, for example, as 1285956 + 2439844 = 1134^2 + 1562^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3725809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1884 + ... + 3316.

Almost surely, 2^3725800 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 3725800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4667670).

3725800 is an abundant number, since it is smaller than the sum of its proper divisors (5609540).

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

3725800 is a wasteful number, since it uses less digits than its factorization.

3725800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3725800 is about 1930.2331465396. The cubic root of 3725800 is about 155.0267036892.

The spelling of 3725800 in words is "three million, seven hundred twenty-five thousand, eight hundred".