811362730 has 16 divisors (see below), whose sum is σ = 1461100680. Its totient is φ = 324401152.

The previous prime is 811362691. The next prime is 811362763. The reversal of 811362730 is 37263118.

It can be written as a sum of positive squares in 4 ways, for example, as 678029521 + 133333209 = 26039^2 + 11547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 811362692 and 811362701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7386 + ... + 40954.

Almost surely, 2^811362730 is an apocalyptic number.

811362730 is a deficient number, since it is larger than the sum of its proper divisors (649737950).

811362730 is a wasteful number, since it uses less digits than its factorization.

811362730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35993.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 811362730 is about 28484.4296063657. The cubic root of 811362730 is about 932.6922143279.

The spelling of 811362730 in words is "eight hundred eleven million, three hundred sixty-two thousand, seven hundred thirty".