801165730 has 16 divisors (see below), whose sum is σ = 1450068984. Its totient is φ = 318695040.

The previous prime is 801165691. The next prime is 801165733. The reversal of 801165730 is 37561108.

It can be written as a sum of positive squares in 4 ways, for example, as 465653241 + 335512489 = 21579^2 + 18317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 801165692 and 801165701.

It is not an unprimeable number, because it can be changed into a prime (801165733) 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, 219507 + ... + 223126.

Almost surely, 2^801165730 is an apocalyptic number.

801165730 is a deficient number, since it is larger than the sum of its proper divisors (648903254).

801165730 is a wasteful number, since it uses less digits than its factorization.

801165730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442821.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 801165730 is about 28304.8711355484. The cubic root of 801165730 is about 928.7684511658.

The spelling of 801165730 in words is "eight hundred one million, one hundred sixty-five thousand, seven hundred thirty".