6738472772 has 12 divisors (see below), whose sum is σ = 11842939836. Its totient is φ = 3354775680.

The previous prime is 6738472747. The next prime is 6738472781. The reversal of 6738472772 is 2772748376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4022603776 + 2715868996 = 63424^2 + 52114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3614129 + ... + 3615992.

It is an arithmetic number, because the mean of its divisors is an integer number (986911653).

Almost surely, 2^6738472772 is an apocalyptic number.

It is an amenable number.

6738472772 is a deficient number, since it is larger than the sum of its proper divisors (5104467064).

6738472772 is a wasteful number, since it uses less digits than its factorization.

6738472772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230358 (or 7230356 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 53.

The square root of 6738472772 is about 82088.2011741030. The cubic root of 6738472772 is about 1888.8051546616.

The spelling of 6738472772 in words is "six billion, seven hundred thirty-eight million, four hundred seventy-two thousand, seven hundred seventy-two".