2047177332 has 72 divisors (see below), whose sum is σ = 5509779912. Its totient is φ = 638668800.

The previous prime is 2047177291. The next prime is 2047177343. The reversal of 2047177332 is 2337717402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 428241636 + 1618935696 = 20694^2 + 40236^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101532 + ... + 120012.

It is an arithmetic number, because the mean of its divisors is an integer number (76524721).

Almost surely, 2^2047177332 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 2047177332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2754889956).

2047177332 is an abundant number, since it is smaller than the sum of its proper divisors (3462602580).

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

2047177332 is a wasteful number, since it uses less digits than its factorization.

2047177332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18689 (or 18684 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 2047177332 is about 45245.7437998316. The cubic root of 2047177332 is about 1269.7507792119.

The spelling of 2047177332 in words is "two billion, forty-seven million, one hundred seventy-seven thousand, three hundred thirty-two".