7373721055 has 16 divisors (see below), whose sum is σ = 9275089824. Its totient is φ = 5621253120.

The previous prime is 7373721031. The next prime is 7373721059. The reversal of 7373721055 is 5501273737.

It is not a de Polignac number, because 7373721055 - 2⁵ = 7373721023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7373720999 and 7373721017.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409434 + ... + 427063.

It is an arithmetic number, because the mean of its divisors is an integer number (579693114).

Almost surely, 2^7373721055 is an apocalyptic number.

7373721055 is a deficient number, since it is larger than the sum of its proper divisors (1901368769).

7373721055 is a wasteful number, since it uses less digits than its factorization.

7373721055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836586.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 7373721055 is about 85870.3735580555. The cubic root of 7373721055 is about 1946.3856832781.

The spelling of 7373721055 in words is "seven billion, three hundred seventy-three million, seven hundred twenty-one thousand, fifty-five".