3730521600 has 720 divisors, whose sum is σ = 14960417472. Its totient is φ = 881786880.

The previous prime is 3730521583. The next prime is 3730521601. The reversal of 3730521600 is 61250373.

It is a happy number.

3730521600 is a `hidden beast` number, since 3 + 7 + 3 + 0 + 52 + 1 + 600 = 666.

3730521600 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 (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3730521601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70387174 + ... + 70387226.

Almost surely, 2^3730521600 is an apocalyptic number.

3730521600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3730521600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7480208736).

3730521600 is an abundant number, since it is smaller than the sum of its proper divisors (11229895872).

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

3730521600 is a wasteful number, since it uses less digits than its factorization.

3730521600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 3730521600 is about 61077.9960378531. The cubic root of 3730521600 is about 1550.9216301765.

Adding to 3730521600 its reverse (61250373), we get a palindrome (3791771973).

The spelling of 3730521600 in words is "three billion, seven hundred thirty million, five hundred twenty-one thousand, six hundred".