8000073547 has 4 divisors (see below), whose sum is σ = 8004577336. Its totient is φ = 7995569760.

The previous prime is 8000073541. The next prime is 8000073593. The reversal of 8000073547 is 7453700008.

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 8000073547 - 2¹⁵ = 8000040779 is a prime.

It is a super-2 number, since 2×8000073547² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8000073541) 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, 2249229 + ... + 2252782.

It is an arithmetic number, because the mean of its divisors is an integer number (2001144334).

Almost surely, 2^8000073547 is an apocalyptic number.

8000073547 is a deficient number, since it is larger than the sum of its proper divisors (4503789).

8000073547 is a wasteful number, since it uses less digits than its factorization.

8000073547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503788.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 8000073547 is about 89443.1302392755. The cubic root of 8000073547 is about 2000.0061288979.

The spelling of 8000073547 in words is "eight billion, seventy-three thousand, five hundred forty-seven".