10000731 has 16 divisors (see below), whose sum is σ = 14464800. Its totient is φ = 6109440.

The previous prime is 10000723. The next prime is 10000733. The reversal of 10000731 is 13700001.

10000731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10000731 - 2³ = 10000723 is a prime.

It is a super-2 number, since 2×10000731² = 200029241068722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10000733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4951 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (904050).

Almost surely, 2^10000731 is an apocalyptic number.

10000731 is a deficient number, since it is larger than the sum of its proper divisors (4464069).

10000731 is a wasteful number, since it uses less digits than its factorization.

10000731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 10000731 is about 3162.3932393047. The cubic root of 10000731 is about 215.4487185145.

Adding to 10000731 its reverse (13700001), we get a palindrome (23700732).

It can be divided in two parts, 10000 and 731, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 10000731 in words is "ten million, seven hundred thirty-one", and thus it is an aban number.