863126730 has 48 divisors (see below), whose sum is σ = 2286484200. Its totient is φ = 225823104.

The previous prime is 863126701. The next prime is 863126731. The reversal of 863126730 is 37621368.

It is a happy number.

863126730 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 863125641 + 1089 = 29379^2 + 33^2 .

It is not an unprimeable number, because it can be changed into a prime (863126731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85705 + ... + 95244.

Almost surely, 2^863126730 is an apocalyptic number.

863126730 is an abundant number, since it is smaller than the sum of its proper divisors (1423357470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863126730 is a wasteful number, since it uses less digits than its factorization.

863126730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181015 (or 181012 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 863126730 is about 29379.0185336406. The cubic root of 863126730 is about 952.1196365019.

The spelling of 863126730 in words is "eight hundred sixty-three million, one hundred twenty-six thousand, seven hundred thirty".