3706722620 has 24 divisors (see below), whose sum is σ = 7790353200. Its totient is φ = 1481501312.

The previous prime is 3706722611. The next prime is 3706722623. The reversal of 3706722620 is 262276073.

3706722620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706722623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48425 + ... + 98784.

It is an arithmetic number, because the mean of its divisors is an integer number (324598050).

Almost surely, 2^3706722620 is an apocalyptic number.

It is an amenable number.

3706722620 is an abundant number, since it is smaller than the sum of its proper divisors (4083630580).

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

3706722620 is a wasteful number, since it uses less digits than its factorization.

3706722620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148477 (or 148475 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 3706722620 is about 60882.8598211352. The cubic root of 3706722620 is about 1547.6165407503.

Adding to 3706722620 its reverse (262276073), we get a palindrome (3968998693).

The spelling of 3706722620 in words is "three billion, seven hundred six million, seven hundred twenty-two thousand, six hundred twenty".