7275257312 has 48 divisors (see below), whose sum is σ = 14808058272. Its totient is φ = 3515788800.

The previous prime is 7275257299. The next prime is 7275257369. The reversal of 7275257312 is 2137525727.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7275257312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158438 + ... + 199130.

It is an arithmetic number, because the mean of its divisors is an integer number (308501214).

Almost surely, 2^7275257312 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 7275257312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7404029136).

7275257312 is an abundant number, since it is smaller than the sum of its proper divisors (7532800960).

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

7275257312 is a wasteful number, since it uses less digits than its factorization.

7275257312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40891 (or 40883 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 7275257312 is about 85295.1189224800. The cubic root of 7275257312 is about 1937.6832542144.

The spelling of 7275257312 in words is "seven billion, two hundred seventy-five million, two hundred fifty-seven thousand, three hundred twelve".