3748720 has 40 divisors (see below), whose sum is σ = 8910144. Its totient is φ = 1466112.

The previous prime is 3748711. The next prime is 3748733. The reversal of 3748720 is 278473.

3748720 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 (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3262 + ... + 4258.

Almost surely, 2^3748720 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 3748720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455072).

3748720 is an abundant number, since it is smaller than the sum of its proper divisors (5161424).

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

3748720 is a wasteful number, since it uses less digits than its factorization.

3748720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3748720 is about 1936.1611503178. The cubic root of 3748720 is about 155.3439465856.

The spelling of 3748720 in words is "three million, seven hundred forty-eight thousand, seven hundred twenty".