806720034 has 32 divisors (see below), whose sum is σ = 1656944640. Its totient is φ = 261752400.

The previous prime is 806720021. The next prime is 806720041. The reversal of 806720034 is 430027608.

It is a super-2 number, since 2×806720034² = 1301594426513922312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 806719983 and 806720010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21669 + ... + 45639.

It is an arithmetic number, because the mean of its divisors is an integer number (51779520).

Almost surely, 2^806720034 is an apocalyptic number.

806720034 is an abundant number, since it is smaller than the sum of its proper divisors (850224606).

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

806720034 is a wasteful number, since it uses less digits than its factorization.

806720034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24126.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 806720034 is about 28402.8173602550. The cubic root of 806720034 is about 930.9098253111.

The spelling of 806720034 in words is "eight hundred six million, seven hundred twenty thousand, thirty-four".