3745720 has 32 divisors (see below), whose sum is σ = 9195120. Its totient is φ = 1361920.

The previous prime is 3745697. The next prime is 3745723. The reversal of 3745720 is 275473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817 + ... + 4696.

Almost surely, 2^3745720 is an apocalyptic number.

It is an amenable number.

3745720 is an abundant number, since it is smaller than the sum of its proper divisors (5449400).

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

3745720 is a wasteful number, since it uses less digits than its factorization.

3745720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535 (or 8531 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3745720 is about 1935.3862663562. The cubic root of 3745720 is about 155.3024963295.

It can be divided in two parts, 3745 and 720, that added together give a triangular number (4465 = T₉₄).

The spelling of 3745720 in words is "three million, seven hundred forty-five thousand, seven hundred twenty".