7276255855173 has 16 divisors (see below), whose sum is σ = 10779907117440. Its totient is φ = 4850716270752.

The previous prime is 7276255855171. The next prime is 7276255855201. The reversal of 7276255855173 is 3715585526727.

It is a happy number.

7276255855173 is a `hidden beast` number, since 7 + 2 + 7 + 6 + 2 + 5 + 5 + 8 + 551 + 73 = 666.

It is not a de Polignac number, because 7276255855173 - 2¹ = 7276255855171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7276255855173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7276255855171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250736 + ... + 4429257.

It is an arithmetic number, because the mean of its divisors is an integer number (673744194840).

Almost surely, 2^{7276255855173} is an apocalyptic number.

It is an amenable number.

7276255855173 is a deficient number, since it is larger than the sum of its proper divisors (3503651262267).

7276255855173 is a wasteful number, since it uses less digits than its factorization.

7276255855173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720345 (or 6720339 counting only the distinct ones).

The product of its digits is 123480000, while the sum is 63.

The spelling of 7276255855173 in words is "seven trillion, two hundred seventy-six billion, two hundred fifty-five million, eight hundred fifty-five thousand, one hundred seventy-three".