3701601621252 has 144 divisors (see below), whose sum is σ = 10138800043008. Its totient is φ = 1135661091840.

The previous prime is 3701601621217. The next prime is 3701601621281. The reversal of 3701601621252 is 2521261061073.

3701601621252 is a `hidden beast` number, since 3 + 7 + 0 + 1 + 6 + 0 + 1 + 621 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1731373 + ... + 3225035.

It is an arithmetic number, because the mean of its divisors is an integer number (70408333632).

Almost surely, 2^{3701601621252} 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 3701601621252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5069400021504).

3701601621252 is an abundant number, since it is smaller than the sum of its proper divisors (6437198421756).

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

3701601621252 is a wasteful number, since it uses less digits than its factorization.

3701601621252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493810 (or 1493805 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 3701601621252 in words is "three trillion, seven hundred one billion, six hundred one million, six hundred twenty-one thousand, two hundred fifty-two".