817068994 has 32 divisors (see below), whose sum is σ = 1504002816. Its totient is φ = 324925440.

The previous prime is 817068991. The next prime is 817069007. The reversal of 817068994 is 499860718.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (817068991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7279 + ... + 41074.

It is an arithmetic number, because the mean of its divisors is an integer number (47000088).

Almost surely, 2^817068994 is an apocalyptic number.

817068994 is a deficient number, since it is larger than the sum of its proper divisors (686933822).

817068994 is a wasteful number, since it uses less digits than its factorization.

817068994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48450.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 817068994 is about 28584.4187276915. The cubic root of 817068994 is about 934.8736306284.

The spelling of 817068994 in words is "eight hundred seventeen million, sixty-eight thousand, nine hundred ninety-four".