7128299672 has 24 divisors (see below), whose sum is σ = 14472770940. Its totient is φ = 3289983840.

The previous prime is 7128299669. The next prime is 7128299747. The reversal of 7128299672 is 2769928217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2634854 + ... + 2637557.

Almost surely, 2^7128299672 is an apocalyptic number.

It is an amenable number.

7128299672 is an abundant number, since it is smaller than the sum of its proper divisors (7344471268).

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

7128299672 is a wasteful number, since it uses less digits than its factorization.

7128299672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272443 (or 5272426 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 53.

The square root of 7128299672 is about 84429.2583883099. The cubic root of 7128299672 is about 1924.5475675474.

The spelling of 7128299672 in words is "seven billion, one hundred twenty-eight million, two hundred ninety-nine thousand, six hundred seventy-two".