8730573731 has 8 divisors (see below), whose sum is σ = 9596968128. Its totient is φ = 7876297000.

The previous prime is 8730573673. The next prime is 8730573751. The reversal of 8730573731 is 1373750378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8730573731 - 2¹⁸ = 8730311587 is a prime.

It is a super-2 number, since 2×8730573731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8730573751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027905 + ... + 3030786.

It is an arithmetic number, because the mean of its divisors is an integer number (1199621016).

Almost surely, 2^8730573731 is an apocalyptic number.

8730573731 is a deficient number, since it is larger than the sum of its proper divisors (866394397).

8730573731 is a wasteful number, since it uses less digits than its factorization.

8730573731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058833.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 8730573731 is about 93437.5391959784. The cubic root of 8730573731 is about 2059.1165447766.

The spelling of 8730573731 in words is "eight billion, seven hundred thirty million, five hundred seventy-three thousand, seven hundred thirty-one".