7273254647 has 4 divisors (see below), whose sum is σ = 7325580360. Its totient is φ = 7220928936.

The previous prime is 7273254623. The next prime is 7273254661. The reversal of 7273254647 is 7464523727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7273254647 - 2¹⁴ = 7273238263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273254617) 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, 26162648 + ... + 26162925.

It is an arithmetic number, because the mean of its divisors is an integer number (1831395090).

Almost surely, 2^7273254647 is an apocalyptic number.

7273254647 is a deficient number, since it is larger than the sum of its proper divisors (52325713).

7273254647 is a wasteful number, since it uses less digits than its factorization.

7273254647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52325712.

The product of its digits is 1975680, while the sum is 47.

The square root of 7273254647 is about 85283.3784919430. The cubic root of 7273254647 is about 1937.5054421047.

The spelling of 7273254647 in words is "seven billion, two hundred seventy-three million, two hundred fifty-four thousand, six hundred forty-seven".