2947767432 has 64 divisors (see below), whose sum is σ = 7769088000. Its totient is φ = 930649920.

The previous prime is 2947767391. The next prime is 2947767439. The reversal of 2947767432 is 2347677492.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2947767439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7182 + ... + 77117.

It is an arithmetic number, because the mean of its divisors is an integer number (121392000).

Almost surely, 2^2947767432 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 2947767432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3884544000).

2947767432 is an abundant number, since it is smaller than the sum of its proper divisors (4821320568).

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

2947767432 is a wasteful number, since it uses less digits than its factorization.

2947767432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84386 (or 84382 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 51.

The square root of 2947767432 is about 54293.3461116553. The cubic root of 2947767432 is about 1433.8302505408.

The spelling of 2947767432 in words is "two billion, nine hundred forty-seven million, seven hundred sixty-seven thousand, four hundred thirty-two".