7373721056 has 24 divisors (see below), whose sum is σ = 15633707544. Its totient is φ = 3403255680.

The previous prime is 7373721031. The next prime is 7373721059. The reversal of 7373721056 is 6501273737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7373721059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8862230 + ... + 8863061.

It is an arithmetic number, because the mean of its divisors is an integer number (651404481).

Almost surely, 2^7373721056 is an apocalyptic number.

It is an amenable number.

7373721056 is an abundant number, since it is smaller than the sum of its proper divisors (8259986488).

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

7373721056 is a wasteful number, since it uses less digits than its factorization.

7373721056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725314 (or 17725306 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 7373721056 is about 85870.3735638782. The cubic root of 7373721056 is about 1946.3856833661.

The spelling of 7373721056 in words is "seven billion, three hundred seventy-three million, seven hundred twenty-one thousand, fifty-six".