3764728 has 32 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 1694560.

The previous prime is 3764711. The next prime is 3764759. The reversal of 3764728 is 8274673.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15633 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 2^3764728 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 3764728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888000).

3764728 is an abundant number, since it is smaller than the sum of its proper divisors (4011272).

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

3764728 is a wasteful number, since it uses less digits than its factorization.

3764728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 431 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 3764728 is about 1940.2906998695. The cubic root of 3764728 is about 155.5647521396.

It can be divided in two parts, 37647 and 28, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 3764728 in words is "three million, seven hundred sixty-four thousand, seven hundred twenty-eight".