806722698 has 16 divisors (see below), whose sum is σ = 1615602816. Its totient is φ = 268548000.

The previous prime is 806722681. The next prime is 806722727. The reversal of 806722698 is 896227608.

It is a happy number.

It is a super-2 number, since 2×806722698² = 1301603022936798408, which contains 22 as substring.

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, 85011 + ... + 94022.

It is an arithmetic number, because the mean of its divisors is an integer number (100975176).

Almost surely, 2^806722698 is an apocalyptic number.

806722698 is an abundant number, since it is smaller than the sum of its proper divisors (808880118).

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

806722698 is a wasteful number, since it uses less digits than its factorization.

806722698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179789.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 806722698 is about 28402.8642569724. The cubic root of 806722698 is about 930.9108500124.

The spelling of 806722698 in words is "eight hundred six million, seven hundred twenty-two thousand, six hundred ninety-eight".