8873731 has 4 divisors (see below), whose sum is σ = 9019264. Its totient is φ = 8728200.

The previous prime is 8873723. The next prime is 8873743. The reversal of 8873731 is 1373788.

8873731 = 351² + 352² + ... + 411².

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 8873731 - 2³ = 8873723 is a prime.

It is a super-2 number, since 2×8873731² = 157486203720722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8873701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72675 + ... + 72796.

It is an arithmetic number, because the mean of its divisors is an integer number (2254816).

Almost surely, 2^8873731 is an apocalyptic number.

8873731 is a deficient number, since it is larger than the sum of its proper divisors (145533).

8873731 is a wasteful number, since it uses less digits than its factorization.

8873731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145532.

The product of its digits is 28224, while the sum is 37.

The square root of 8873731 is about 2978.8808301105. The cubic root of 8873731 is about 207.0310190238.

It can be divided in two parts, 8873 and 731, that added together give a square (9604 = 98²).

The spelling of 8873731 in words is "eight million, eight hundred seventy-three thousand, seven hundred thirty-one".