3752240 has 80 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 1351680.

The previous prime is 3752239. The next prime is 3752249. The reversal of 3752240 is 422573.

It is a tau number, because it is divible by the number of its divisors (80).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3752249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42116 + ... + 42204.

It is an arithmetic number, because the mean of its divisors is an integer number (120528).

Almost surely, 2^3752240 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 3752240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4821120).

3752240 is an abundant number, since it is smaller than the sum of its proper divisors (5890000).

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

3752240 is a wasteful number, since it uses less digits than its factorization.

3752240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3752240 is about 1937.0699522733. The cubic root of 3752240 is about 155.3925533662.

The spelling of 3752240 in words is "three million, seven hundred fifty-two thousand, two hundred forty".