868492733 has 4 divisors (see below), whose sum is σ = 868552668. Its totient is φ = 868432800.

The previous prime is 868492699. The next prime is 868492763. The reversal of 868492733 is 337294868.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 75394489 + 793098244 = 8683^2 + 28162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868492733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868492763) 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, 6833 + ... + 42233.

It is an arithmetic number, because the mean of its divisors is an integer number (217138167).

Almost surely, 2^868492733 is an apocalyptic number.

It is an amenable number.

868492733 is a deficient number, since it is larger than the sum of its proper divisors (59935).

868492733 is a wasteful number, since it uses less digits than its factorization.

868492733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59934.

The product of its digits is 1741824, while the sum is 50.

The square root of 868492733 is about 29470.2007628045. The cubic root of 868492733 is about 954.0886504237.

The spelling of 868492733 in words is "eight hundred sixty-eight million, four hundred ninety-two thousand, seven hundred thirty-three".