3740728 has 8 divisors (see below), whose sum is σ = 7013880. Its totient is φ = 1870360.

The previous prime is 3740707. The next prime is 3740747. The reversal of 3740728 is 8270473.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3740728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233788 + ... + 233803.

It is an arithmetic number, because the mean of its divisors is an integer number (876735).

Almost surely, 2^3740728 is an apocalyptic number.

It is an amenable number.

3740728 is a deficient number, since it is larger than the sum of its proper divisors (3273152).

3740728 is a wasteful number, since it uses less digits than its factorization.

3740728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467597 (or 467593 counting only the distinct ones).

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

The square root of 3740728 is about 1934.0961713421. The cubic root of 3740728 is about 155.2334740211.

The spelling of 3740728 in words is "three million, seven hundred forty thousand, seven hundred twenty-eight".