7251473872 has 40 divisors (see below), whose sum is σ = 14558353920. Its totient is φ = 3495373440.

The previous prime is 7251473863. The next prime is 7251473923. The reversal of 7251473872 is 2783741527.

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, 102654 + ... + 158242.

It is an arithmetic number, because the mean of its divisors is an integer number (363958848).

Almost surely, 2^7251473872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7251473872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7279176960).

7251473872 is an abundant number, since it is smaller than the sum of its proper divisors (7306880048).

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

7251473872 is a wasteful number, since it uses less digits than its factorization.

7251473872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55891 (or 55885 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 7251473872 is about 85155.5862642023. The cubic root of 7251473872 is about 1935.5694649147.

The spelling of 7251473872 in words is "seven billion, two hundred fifty-one million, four hundred seventy-three thousand, eight hundred seventy-two".