6318461772 has 72 divisors (see below), whose sum is σ = 18265901472. Its totient is φ = 1804032000.

The previous prime is 6318461771. The next prime is 6318461777. The reversal of 6318461772 is 2771648136.

6318461772 is a `hidden beast` number, since 631 + 8 + 4 + 6 + 1 + 7 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (6318461771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395622 + ... + 411282.

It is an arithmetic number, because the mean of its divisors is an integer number (253693076).

Almost surely, 2^6318461772 is an apocalyptic number.

It is an amenable number.

6318461772 is an abundant number, since it is smaller than the sum of its proper divisors (11947439700).

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

6318461772 is a wasteful number, since it uses less digits than its factorization.

6318461772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17279 (or 17274 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6318461772 is about 79488.7524873803. The cubic root of 6318461772 is about 1848.7170820049.

The spelling of 6318461772 in words is "six billion, three hundred eighteen million, four hundred sixty-one thousand, seven hundred seventy-two".