3730520 has 16 divisors (see below), whose sum is σ = 8393760. Its totient is φ = 1492192.

The previous prime is 3730499. The next prime is 3730537. The reversal of 3730520 is 250373.

3730520 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 3730492 and 3730501.

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 3 ways as a sum of consecutive naturals, for example, 46592 + ... + 46671.

It is an arithmetic number, because the mean of its divisors is an integer number (524610).

Almost surely, 2^3730520 is an apocalyptic number.

It is an amenable number.

3730520 is an abundant number, since it is smaller than the sum of its proper divisors (4663240).

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

3730520 is a wasteful number, since it uses less digits than its factorization.

3730520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93274 (or 93270 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 3730520 is about 1931.4554097882. The cubic root of 3730520 is about 155.0921408449.

Adding to 3730520 its reverse (250373), we get a palindrome (3980893).

The spelling of 3730520 in words is "three million, seven hundred thirty thousand, five hundred twenty".