3720500522 has 8 divisors (see below), whose sum is σ = 5599798596. Its totient is φ = 1853900992.

The previous prime is 3720500489. The next prime is 3720500543. The reversal of 3720500522 is 2250050273.

3720500522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2682307681 + 1038192841 = 51791^2 + 32221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3720500491 and 3720500500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3173903 + ... + 3175074.

Almost surely, 2^3720500522 is an apocalyptic number.

3720500522 is a deficient number, since it is larger than the sum of its proper divisors (1879298074).

3720500522 is a wasteful number, since it uses less digits than its factorization.

3720500522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349272.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 3720500522 is about 60995.9057806342. The cubic root of 3720500522 is about 1549.5316687060.

Adding to 3720500522 its reverse (2250050273), we get a palindrome (5970550795).

The spelling of 3720500522 in words is "three billion, seven hundred twenty million, five hundred thousand, five hundred twenty-two".