3730003728 has 80 divisors (see below), whose sum is σ = 11130198336. Its totient is φ = 1063813120.

The previous prime is 3730003727. The next prime is 3730003733. The reversal of 3730003728 is 8273000373.

It is a happy number.

3730003728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3730003721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198801 + ... + 216752.

Almost surely, 2^3730003728 is an apocalyptic number.

It is an amenable number.

3730003728 is an abundant number, since it is smaller than the sum of its proper divisors (7400194608).

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

3730003728 is a wasteful number, since it uses less digits than its factorization.

3730003728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415592 (or 415586 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 3730003728 is about 61073.7564588916. The cubic root of 3730003728 is about 1550.8498604044.

The spelling of 3730003728 in words is "three billion, seven hundred thirty million, three thousand, seven hundred twenty-eight".