9487540073 has 4 divisors (see below), whose sum is σ = 10350043728. Its totient is φ = 8625036420.

The previous prime is 9487540061. The next prime is 9487540099. The reversal of 9487540073 is 3700457849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3700457849 = 11 ⋅336405259.

It is a de Polignac number, because none of the positive numbers 2^k-9487540073 is a prime.

It is a super-3 number, since 3×9487540073³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9487540873) 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, 431251811 + ... + 431251832.

It is an arithmetic number, because the mean of its divisors is an integer number (2587510932).

Almost surely, 2^9487540073 is an apocalyptic number.

It is an amenable number.

9487540073 is a deficient number, since it is larger than the sum of its proper divisors (862503655).

9487540073 is a wasteful number, since it uses less digits than its factorization.

9487540073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862503654.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 9487540073 is about 97404.0043992032. The cubic root of 9487540073 is about 2116.9854562760.

The spelling of 9487540073 in words is "nine billion, four hundred eighty-seven million, five hundred forty thousand, seventy-three".