7273861344 has 96 divisors (see below), whose sum is σ = 21252702240. Its totient is φ = 2420361216.

The previous prime is 7273861327. The next prime is 7273861379. The reversal of 7273861344 is 4431683727.

7273861344 is a `hidden beast` number, since 7 + 27 + 3 + 8 + 613 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 7273861344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505254 + ... + 519450.

It is an arithmetic number, because the mean of its divisors is an integer number (221382315).

Almost surely, 2^7273861344 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 7273861344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10626351120).

7273861344 is an abundant number, since it is smaller than the sum of its proper divisors (13978840896).

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

7273861344 is a wasteful number, since it uses less digits than its factorization.

7273861344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14809 (or 14795 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 7273861344 is about 85286.9353652715. The cubic root of 7273861344 is about 1937.5593128093.

The spelling of 7273861344 in words is "seven billion, two hundred seventy-three million, eight hundred sixty-one thousand, three hundred forty-four".