5321286672 has 80 divisors (see below), whose sum is σ = 14817259968. Its totient is φ = 1635863040.

The previous prime is 5321286613. The next prime is 5321286713. The reversal of 5321286672 is 2766821235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853647 + ... + 859857.

Almost surely, 2^5321286672 is an apocalyptic number.

5321286672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5321286672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7408629984).

5321286672 is an abundant number, since it is smaller than the sum of its proper divisors (9495973296).

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

5321286672 is a wasteful number, since it uses less digits than its factorization.

5321286672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608 (or 7602 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 5321286672 is about 72947.1498552205. The cubic root of 5321286672 is about 1745.8444717913.

The spelling of 5321286672 in words is "five billion, three hundred twenty-one million, two hundred eighty-six thousand, six hundred seventy-two".