3601079172 has 18 divisors (see below), whose sum is σ = 9102727998. Its totient is φ = 1200359712.

The previous prime is 3601079143. The next prime is 3601079173. The reversal of 3601079172 is 2719701063.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3314995776 + 286083396 = 57576^2 + 16914^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 100029977 = 3601079172 / (3 + 6 + 0 + 1 + 0 + 7 + 9 + 1 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (3601079173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50014953 + ... + 50015024.

It is an arithmetic number, because the mean of its divisors is an integer number (505707111).

Almost surely, 2^3601079172 is an apocalyptic number.

It is an amenable number.

3601079172 is an abundant number, since it is smaller than the sum of its proper divisors (5501648826).

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

3601079172 is a wasteful number, since it uses less digits than its factorization.

3601079172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100029987 (or 100029982 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 3601079172 is about 60008.9924261356. The cubic root of 3601079172 is about 1532.7719938727.

The spelling of 3601079172 in words is "three billion, six hundred one million, seventy-nine thousand, one hundred seventy-two".