3273478720 has 56 divisors (see below), whose sum is σ = 7808399928. Its totient is φ = 1307136000.

The previous prime is 3273478693. The next prime is 3273478727. The reversal of 3273478720 is 278743723.

It can be written as a sum of positive squares in 4 ways, for example, as 1741225984 + 1532252736 = 41728^2 + 39144^2 .

It is not an unprimeable number, because it can be changed into a prime (3273478727) 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, 183810 + ... + 200830.

It is an arithmetic number, because the mean of its divisors is an integer number (139435713).

Almost surely, 2^3273478720 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 3273478720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3904199964).

3273478720 is an abundant number, since it is smaller than the sum of its proper divisors (4534921208).

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

3273478720 is a wasteful number, since it uses less digits than its factorization.

3273478720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17639 (or 17629 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 3273478720 is about 57214.3226823494. The cubic root of 3273478720 is about 1484.8064336727.

The spelling of 3273478720 in words is "three billion, two hundred seventy-three million, four hundred seventy-eight thousand, seven hundred twenty".