3734727620 has 72 divisors (see below), whose sum is σ = 8992343304. Its totient is φ = 1297840128.

The previous prime is 3734727617. The next prime is 3734727629. The reversal of 3734727620 is 267274373.

It can be written as a sum of positive squares in 12 ways, for example, as 2376952516 + 1357775104 = 48754^2 + 36848^2 .

It is not an unprimeable number, because it can be changed into a prime (3734727629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24962 + ... + 89958.

It is an arithmetic number, because the mean of its divisors is an integer number (124893657).

Almost surely, 2^3734727620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3734727620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4496171652).

3734727620 is an abundant number, since it is smaller than the sum of its proper divisors (5257615684).

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

3734727620 is a wasteful number, since it uses less digits than its factorization.

3734727620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65049 (or 65034 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 41.

The square root of 3734727620 is about 61112.4178870383. The cubic root of 3734727620 is about 1551.5042794745.

The spelling of 3734727620 in words is "three billion, seven hundred thirty-four million, seven hundred twenty-seven thousand, six hundred twenty".