7273604247 has 24 divisors (see below), whose sum is σ = 12149320176. Its totient is φ = 3836625408.

The previous prime is 7273604243. The next prime is 7273604269. The reversal of 7273604247 is 7424063727.

It is not a de Polignac number, because 7273604247 - 2² = 7273604243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7273604199 and 7273604208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273604243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1901178 + ... + 1904999.

It is an arithmetic number, because the mean of its divisors is an integer number (506221674).

Almost surely, 2^7273604247 is an apocalyptic number.

7273604247 is a deficient number, since it is larger than the sum of its proper divisors (4875715929).

7273604247 is a wasteful number, since it uses less digits than its factorization.

7273604247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806207 (or 3806200 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 7273604247 is about 85285.4281046886. The cubic root of 7273604247 is about 1937.5364846518.

The spelling of 7273604247 in words is "seven billion, two hundred seventy-three million, six hundred four thousand, two hundred forty-seven".