3745520 has 20 divisors (see below), whose sum is σ = 8708520. Its totient is φ = 1498176.

The previous prime is 3745519. The next prime is 3745529. The reversal of 3745520 is 255473.

3745520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3745520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23330 + ... + 23489.

It is an arithmetic number, because the mean of its divisors is an integer number (435426).

Almost surely, 2^3745520 is an apocalyptic number.

It is an amenable number.

3745520 is an abundant number, since it is smaller than the sum of its proper divisors (4963000).

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

3745520 is a wasteful number, since it uses less digits than its factorization.

3745520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46832 (or 46826 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 3745520 is about 1935.3345963941. The cubic root of 3745520 is about 155.2997321923.

The spelling of 3745520 in words is "three million, seven hundred forty-five thousand, five hundred twenty".