6473720884 has 24 divisors (see below), whose sum is σ = 11513927880. Its totient is φ = 3184257024.

The previous prime is 6473720879. The next prime is 6473720923. The reversal of 6473720884 is 4880273746.

It can be written as a sum of positive squares in 4 ways, for example, as 1279635984 + 5194084900 = 35772^2 + 72070^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85092 + ... + 142084.

It is an arithmetic number, because the mean of its divisors is an integer number (479746995).

Almost surely, 2^6473720884 is an apocalyptic number.

It is an amenable number.

6473720884 is a deficient number, since it is larger than the sum of its proper divisors (5040206996).

6473720884 is a wasteful number, since it uses less digits than its factorization.

6473720884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57459 (or 57457 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The square root of 6473720884 is about 80459.4362644929. The cubic root of 6473720884 is about 1863.7371276871.

The spelling of 6473720884 in words is "six billion, four hundred seventy-three million, seven hundred twenty thousand, eight hundred eighty-four".